Home / 8,810.21-12,158.46-5,272.74

Finding the Fourth Proportional to 8,810.21, 12,158.46 and 5,272.74

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Solution

The fourth proportional to 8,810.21, 12,158.46 and 5,272.74 is: 7,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.21 : 12,158.46 = 5,272.74 : x
  2. Step 2: Convert to fraction form
    8,810.21/12,158.46 = 5,272.74/x
  3. Step 3: Cross multiply
    8,810.21x = 12,158.46 × 5,272.74
  4. Step 4: Simplify right side
    8,810.21x = 64,108,398.38
  5. Step 5: Solve for x
    x = 64,108,398.38/8,810.21
  6. Step 6: Final answer
    x = 7,276.60

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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.