Home / 7,767.46-10,719.10-4,230.68

Finding the Fourth Proportional to 7,767.46, 10,719.10 and 4,230.68

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Solution

The fourth proportional to 7,767.46, 10,719.10 and 4,230.68 is: 5,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.46 : 10,719.10 = 4,230.68 : x
  2. Step 2: Convert to fraction form
    7,767.46/10,719.10 = 4,230.68/x
  3. Step 3: Cross multiply
    7,767.46x = 10,719.10 × 4,230.68
  4. Step 4: Simplify right side
    7,767.46x = 45,349,081.99
  5. Step 5: Solve for x
    x = 45,349,081.99/7,767.46
  6. Step 6: Final answer
    x = 5,838.34

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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.