Home / 7,642.42-10,545.47-4,456.69

Finding the Fourth Proportional to 7,642.42, 10,545.47 and 4,456.69

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Solution

The fourth proportional to 7,642.42, 10,545.47 and 4,456.69 is: 6,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.42 : 10,545.47 = 4,456.69 : x
  2. Step 2: Convert to fraction form
    7,642.42/10,545.47 = 4,456.69/x
  3. Step 3: Cross multiply
    7,642.42x = 10,545.47 × 4,456.69
  4. Step 4: Simplify right side
    7,642.42x = 46,997,858.76
  5. Step 5: Solve for x
    x = 46,997,858.76/7,642.42
  6. Step 6: Final answer
    x = 6,149.61

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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.