Home / 7,429.80-10,254.15-4,285.92

Finding the Fourth Proportional to 7,429.80, 10,254.15 and 4,285.92

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Solution

The fourth proportional to 7,429.80, 10,254.15 and 4,285.92 is: 5,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.80 : 10,254.15 = 4,285.92 : x
  2. Step 2: Convert to fraction form
    7,429.80/10,254.15 = 4,285.92/x
  3. Step 3: Cross multiply
    7,429.80x = 10,254.15 × 4,285.92
  4. Step 4: Simplify right side
    7,429.80x = 43,948,466.57
  5. Step 5: Solve for x
    x = 43,948,466.57/7,429.80
  6. Step 6: Final answer
    x = 5,915.16

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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.