Home / 9,225.02-12,732.15-5,447.93

Finding the Fourth Proportional to 9,225.02, 12,732.15 and 5,447.93

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Solution

The fourth proportional to 9,225.02, 12,732.15 and 5,447.93 is: 7,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.02 : 12,732.15 = 5,447.93 : x
  2. Step 2: Convert to fraction form
    9,225.02/12,732.15 = 5,447.93/x
  3. Step 3: Cross multiply
    9,225.02x = 12,732.15 × 5,447.93
  4. Step 4: Simplify right side
    9,225.02x = 69,363,830.12
  5. Step 5: Solve for x
    x = 69,363,830.12/9,225.02
  6. Step 6: Final answer
    x = 7,519.10

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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.