Home / 8,432.87-11,637.77-4,656.45

Finding the Fourth Proportional to 8,432.87, 11,637.77 and 4,656.45

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Solution

The fourth proportional to 8,432.87, 11,637.77 and 4,656.45 is: 6,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.87 : 11,637.77 = 4,656.45 : x
  2. Step 2: Convert to fraction form
    8,432.87/11,637.77 = 4,656.45/x
  3. Step 3: Cross multiply
    8,432.87x = 11,637.77 × 4,656.45
  4. Step 4: Simplify right side
    8,432.87x = 54,190,694.12
  5. Step 5: Solve for x
    x = 54,190,694.12/8,432.87
  6. Step 6: Final answer
    x = 6,426.13

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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.