Home / 7,545.07-10,412.04-4,187.69

Finding the Fourth Proportional to 7,545.07, 10,412.04 and 4,187.69

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Solution

The fourth proportional to 7,545.07, 10,412.04 and 4,187.69 is: 5,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.07 : 10,412.04 = 4,187.69 : x
  2. Step 2: Convert to fraction form
    7,545.07/10,412.04 = 4,187.69/x
  3. Step 3: Cross multiply
    7,545.07x = 10,412.04 × 4,187.69
  4. Step 4: Simplify right side
    7,545.07x = 43,602,395.79
  5. Step 5: Solve for x
    x = 43,602,395.79/7,545.07
  6. Step 6: Final answer
    x = 5,778.93

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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.