Home / 8,545.31-12,813.40-4,383.64

Finding the Fourth Proportional to 8,545.31, 12,813.40 and 4,383.64

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Solution

The fourth proportional to 8,545.31, 12,813.40 and 4,383.64 is: 6,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.31 : 12,813.40 = 4,383.64 : x
  2. Step 2: Convert to fraction form
    8,545.31/12,813.40 = 4,383.64/x
  3. Step 3: Cross multiply
    8,545.31x = 12,813.40 × 4,383.64
  4. Step 4: Simplify right side
    8,545.31x = 56,169,332.78
  5. Step 5: Solve for x
    x = 56,169,332.78/8,545.31
  6. Step 6: Final answer
    x = 6,573.12

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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.