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Finding the Fourth Proportional to 35,210.90, 52,818.18 and 8,915.87

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Solution

The fourth proportional to 35,210.90, 52,818.18 and 8,915.87 is: 13,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,210.90 : 52,818.18 = 8,915.87 : x
  2. Step 2: Convert to fraction form
    35,210.90/52,818.18 = 8,915.87/x
  3. Step 3: Cross multiply
    35,210.90x = 52,818.18 × 8,915.87
  4. Step 4: Simplify right side
    35,210.90x = 470,920,125.13
  5. Step 5: Solve for x
    x = 470,920,125.13/35,210.90
  6. Step 6: Final answer
    x = 13,374.27

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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.