Home / 7,626.17-10,518.69-6,998.72

Finding the Fourth Proportional to 7,626.17, 10,518.69 and 6,998.72

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Solution

The fourth proportional to 7,626.17, 10,518.69 and 6,998.72 is: 9,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.17 : 10,518.69 = 6,998.72 : x
  2. Step 2: Convert to fraction form
    7,626.17/10,518.69 = 6,998.72/x
  3. Step 3: Cross multiply
    7,626.17x = 10,518.69 × 6,998.72
  4. Step 4: Simplify right side
    7,626.17x = 73,617,339.84
  5. Step 5: Solve for x
    x = 73,617,339.84/7,626.17
  6. Step 6: Final answer
    x = 9,653.26

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.