Home / 8,365.13-12,545.27-2,520.17

Finding the Fourth Proportional to 8,365.13, 12,545.27 and 2,520.17

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Solution

The fourth proportional to 8,365.13, 12,545.27 and 2,520.17 is: 3,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.13 : 12,545.27 = 2,520.17 : x
  2. Step 2: Convert to fraction form
    8,365.13/12,545.27 = 2,520.17/x
  3. Step 3: Cross multiply
    8,365.13x = 12,545.27 × 2,520.17
  4. Step 4: Simplify right side
    8,365.13x = 31,616,200.50
  5. Step 5: Solve for x
    x = 31,616,200.50/8,365.13
  6. Step 6: Final answer
    x = 3,779.52

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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.