Home / 7,545.54-10,412.04-4,187.46

Finding the Fourth Proportional to 7,545.54, 10,412.04 and 4,187.46

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Solution

The fourth proportional to 7,545.54, 10,412.04 and 4,187.46 is: 5,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.54 : 10,412.04 = 4,187.46 : x
  2. Step 2: Convert to fraction form
    7,545.54/10,412.04 = 4,187.46/x
  3. Step 3: Cross multiply
    7,545.54x = 10,412.04 × 4,187.46
  4. Step 4: Simplify right side
    7,545.54x = 43,600,001.02
  5. Step 5: Solve for x
    x = 43,600,001.02/7,545.54
  6. Step 6: Final answer
    x = 5,778.25

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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.