Home / 7,545.66-10,412.80-4,188.46

Finding the Fourth Proportional to 7,545.66, 10,412.80 and 4,188.46

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Solution

The fourth proportional to 7,545.66, 10,412.80 and 4,188.46 is: 5,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.66 : 10,412.80 = 4,188.46 : x
  2. Step 2: Convert to fraction form
    7,545.66/10,412.80 = 4,188.46/x
  3. Step 3: Cross multiply
    7,545.66x = 10,412.80 × 4,188.46
  4. Step 4: Simplify right side
    7,545.66x = 43,613,596.29
  5. Step 5: Solve for x
    x = 43,613,596.29/7,545.66
  6. Step 6: Final answer
    x = 5,779.96

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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.