Home / 7,430.18-11,147.13-5,243.18

Finding the Fourth Proportional to 7,430.18, 11,147.13 and 5,243.18

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Solution

The fourth proportional to 7,430.18, 11,147.13 and 5,243.18 is: 7,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.18 : 11,147.13 = 5,243.18 : x
  2. Step 2: Convert to fraction form
    7,430.18/11,147.13 = 5,243.18/x
  3. Step 3: Cross multiply
    7,430.18x = 11,147.13 × 5,243.18
  4. Step 4: Simplify right side
    7,430.18x = 58,446,382.86
  5. Step 5: Solve for x
    x = 58,446,382.86/7,430.18
  6. Step 6: Final answer
    x = 7,866.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.