Home / 8,389.71-11,577.56-4,612.89

Finding the Fourth Proportional to 8,389.71, 11,577.56 and 4,612.89

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Solution

The fourth proportional to 8,389.71, 11,577.56 and 4,612.89 is: 6,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.71 : 11,577.56 = 4,612.89 : x
  2. Step 2: Convert to fraction form
    8,389.71/11,577.56 = 4,612.89/x
  3. Step 3: Cross multiply
    8,389.71x = 11,577.56 × 4,612.89
  4. Step 4: Simplify right side
    8,389.71x = 53,406,010.75
  5. Step 5: Solve for x
    x = 53,406,010.75/8,389.71
  6. Step 6: Final answer
    x = 6,365.66

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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.