Home / 8,915.47-13,355.33-4,240.00

Finding the Fourth Proportional to 8,915.47, 13,355.33 and 4,240.00

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Solution

The fourth proportional to 8,915.47, 13,355.33 and 4,240.00 is: 6,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.47 : 13,355.33 = 4,240.00 : x
  2. Step 2: Convert to fraction form
    8,915.47/13,355.33 = 4,240.00/x
  3. Step 3: Cross multiply
    8,915.47x = 13,355.33 × 4,240.00
  4. Step 4: Simplify right side
    8,915.47x = 56,626,543.42
  5. Step 5: Solve for x
    x = 56,626,543.42/8,915.47
  6. Step 6: Final answer
    x = 6,351.49

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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.