Home / 7,688.59-10,610.73-4,459.06

Finding the Fourth Proportional to 7,688.59, 10,610.73 and 4,459.06

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Solution

The fourth proportional to 7,688.59, 10,610.73 and 4,459.06 is: 6,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.59 : 10,610.73 = 4,459.06 : x
  2. Step 2: Convert to fraction form
    7,688.59/10,610.73 = 4,459.06/x
  3. Step 3: Cross multiply
    7,688.59x = 10,610.73 × 4,459.06
  4. Step 4: Simplify right side
    7,688.59x = 47,313,894.98
  5. Step 5: Solve for x
    x = 47,313,894.98/7,688.59
  6. Step 6: Final answer
    x = 6,153.78

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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.