Home / 8,345.93-12,520.51-2,502.05

Finding the Fourth Proportional to 8,345.93, 12,520.51 and 2,502.05

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Solution

The fourth proportional to 8,345.93, 12,520.51 and 2,502.05 is: 3,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.93 : 12,520.51 = 2,502.05 : x
  2. Step 2: Convert to fraction form
    8,345.93/12,520.51 = 2,502.05/x
  3. Step 3: Cross multiply
    8,345.93x = 12,520.51 × 2,502.05
  4. Step 4: Simplify right side
    8,345.93x = 31,326,873.19
  5. Step 5: Solve for x
    x = 31,326,873.19/8,345.93
  6. Step 6: Final answer
    x = 3,753.55

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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.