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Finding the Fourth Proportional to 37,892.77, 56,839.35 and 9,810.86

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Solution

The fourth proportional to 37,892.77, 56,839.35 and 9,810.86 is: 14,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,892.77 : 56,839.35 = 9,810.86 : x
  2. Step 2: Convert to fraction form
    37,892.77/56,839.35 = 9,810.86/x
  3. Step 3: Cross multiply
    37,892.77x = 56,839.35 × 9,810.86
  4. Step 4: Simplify right side
    37,892.77x = 557,642,905.34
  5. Step 5: Solve for x
    x = 557,642,905.34/37,892.77
  6. Step 6: Final answer
    x = 14,716.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.