Home / 8,658.23-11,947.47-5,301.99

Finding the Fourth Proportional to 8,658.23, 11,947.47 and 5,301.99

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Solution

The fourth proportional to 8,658.23, 11,947.47 and 5,301.99 is: 7,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658.23 : 11,947.47 = 5,301.99 : x
  2. Step 2: Convert to fraction form
    8,658.23/11,947.47 = 5,301.99/x
  3. Step 3: Cross multiply
    8,658.23x = 11,947.47 × 5,301.99
  4. Step 4: Simplify right side
    8,658.23x = 63,345,366.47
  5. Step 5: Solve for x
    x = 63,345,366.47/8,658.23
  6. Step 6: Final answer
    x = 7,316.21

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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.