Home / 7,454.15-10,287.99-4,312.16

Finding the Fourth Proportional to 7,454.15, 10,287.99 and 4,312.16

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Solution

The fourth proportional to 7,454.15, 10,287.99 and 4,312.16 is: 5,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.15 : 10,287.99 = 4,312.16 : x
  2. Step 2: Convert to fraction form
    7,454.15/10,287.99 = 4,312.16/x
  3. Step 3: Cross multiply
    7,454.15x = 10,287.99 × 4,312.16
  4. Step 4: Simplify right side
    7,454.15x = 44,363,407.52
  5. Step 5: Solve for x
    x = 44,363,407.52/7,454.15
  6. Step 6: Final answer
    x = 5,951.51

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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.