Home / 7,663.55-10,572.66-4,678.29

Finding the Fourth Proportional to 7,663.55, 10,572.66 and 4,678.29

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Solution

The fourth proportional to 7,663.55, 10,572.66 and 4,678.29 is: 6,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.55 : 10,572.66 = 4,678.29 : x
  2. Step 2: Convert to fraction form
    7,663.55/10,572.66 = 4,678.29/x
  3. Step 3: Cross multiply
    7,663.55x = 10,572.66 × 4,678.29
  4. Step 4: Simplify right side
    7,663.55x = 49,461,969.55
  5. Step 5: Solve for x
    x = 49,461,969.55/7,663.55
  6. Step 6: Final answer
    x = 6,454.19

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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.