Home / 7,545.03-10,412.33-4,187.90

Finding the Fourth Proportional to 7,545.03, 10,412.33 and 4,187.90

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Solution

The fourth proportional to 7,545.03, 10,412.33 and 4,187.90 is: 5,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.03 : 10,412.33 = 4,187.90 : x
  2. Step 2: Convert to fraction form
    7,545.03/10,412.33 = 4,187.90/x
  3. Step 3: Cross multiply
    7,545.03x = 10,412.33 × 4,187.90
  4. Step 4: Simplify right side
    7,545.03x = 43,605,796.81
  5. Step 5: Solve for x
    x = 43,605,796.81/7,545.03
  6. Step 6: Final answer
    x = 5,779.41

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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.