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Finding the Fourth Proportional to 6,085.74, 8,398.16 and 3,432.99

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Solution

The fourth proportional to 6,085.74, 8,398.16 and 3,432.99 is: 4,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.74 : 8,398.16 = 3,432.99 : x
  2. Step 2: Convert to fraction form
    6,085.74/8,398.16 = 3,432.99/x
  3. Step 3: Cross multiply
    6,085.74x = 8,398.16 × 3,432.99
  4. Step 4: Simplify right side
    6,085.74x = 28,830,782.13
  5. Step 5: Solve for x
    x = 28,830,782.13/6,085.74
  6. Step 6: Final answer
    x = 4,737.43

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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.