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Finding the Fourth Proportional to 4,762.66, 6,572.66 and 2,666.78

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Solution

The fourth proportional to 4,762.66, 6,572.66 and 2,666.78 is: 3,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.66 : 6,572.66 = 2,666.78 : x
  2. Step 2: Convert to fraction form
    4,762.66/6,572.66 = 2,666.78/x
  3. Step 3: Cross multiply
    4,762.66x = 6,572.66 × 2,666.78
  4. Step 4: Simplify right side
    4,762.66x = 17,527,838.23
  5. Step 5: Solve for x
    x = 17,527,838.23/4,762.66
  6. Step 6: Final answer
    x = 3,680.26

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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.