Home / 7,665.17-10,577.61-4,478.65

Finding the Fourth Proportional to 7,665.17, 10,577.61 and 4,478.65

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Solution

The fourth proportional to 7,665.17, 10,577.61 and 4,478.65 is: 6,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.17 : 10,577.61 = 4,478.65 : x
  2. Step 2: Convert to fraction form
    7,665.17/10,577.61 = 4,478.65/x
  3. Step 3: Cross multiply
    7,665.17x = 10,577.61 × 4,478.65
  4. Step 4: Simplify right side
    7,665.17x = 47,373,386.58
  5. Step 5: Solve for x
    x = 47,373,386.58/7,665.17
  6. Step 6: Final answer
    x = 6,180.35

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Half scale
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Double scale
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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.