Home / 8,730.45-13,102.01-6,545.07

Finding the Fourth Proportional to 8,730.45, 13,102.01 and 6,545.07

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Solution

The fourth proportional to 8,730.45, 13,102.01 and 6,545.07 is: 9,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.45 : 13,102.01 = 6,545.07 : x
  2. Step 2: Convert to fraction form
    8,730.45/13,102.01 = 6,545.07/x
  3. Step 3: Cross multiply
    8,730.45x = 13,102.01 × 6,545.07
  4. Step 4: Simplify right side
    8,730.45x = 85,753,572.59
  5. Step 5: Solve for x
    x = 85,753,572.59/8,730.45
  6. Step 6: Final answer
    x = 9,822.35

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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.