Home / 7,689.48-10,611.60-4,545.96

Finding the Fourth Proportional to 7,689.48, 10,611.60 and 4,545.96

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Solution

The fourth proportional to 7,689.48, 10,611.60 and 4,545.96 is: 6,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.48 : 10,611.60 = 4,545.96 : x
  2. Step 2: Convert to fraction form
    7,689.48/10,611.60 = 4,545.96/x
  3. Step 3: Cross multiply
    7,689.48x = 10,611.60 × 4,545.96
  4. Step 4: Simplify right side
    7,689.48x = 48,239,909.14
  5. Step 5: Solve for x
    x = 48,239,909.14/7,689.48
  6. Step 6: Final answer
    x = 6,273.49

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.