Home / 8,345.12-12,519.72-2,501.72

Finding the Fourth Proportional to 8,345.12, 12,519.72 and 2,501.72

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Solution

The fourth proportional to 8,345.12, 12,519.72 and 2,501.72 is: 3,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.12 : 12,519.72 = 2,501.72 : x
  2. Step 2: Convert to fraction form
    8,345.12/12,519.72 = 2,501.72/x
  3. Step 3: Cross multiply
    8,345.12x = 12,519.72 × 2,501.72
  4. Step 4: Simplify right side
    8,345.12x = 31,320,818.27
  5. Step 5: Solve for x
    x = 31,320,818.27/8,345.12
  6. Step 6: Final answer
    x = 3,753.19

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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.