Home / 7,545.29-10,412.42-4,188.11

Finding the Fourth Proportional to 7,545.29, 10,412.42 and 4,188.11

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Solution

The fourth proportional to 7,545.29, 10,412.42 and 4,188.11 is: 5,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.29 : 10,412.42 = 4,188.11 : x
  2. Step 2: Convert to fraction form
    7,545.29/10,412.42 = 4,188.11/x
  3. Step 3: Cross multiply
    7,545.29x = 10,412.42 × 4,188.11
  4. Step 4: Simplify right side
    7,545.29x = 43,608,287.32
  5. Step 5: Solve for x
    x = 43,608,287.32/7,545.29
  6. Step 6: Final answer
    x = 5,779.54

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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.