Home / 8,488.44-11,712.24-5,130.59

Finding the Fourth Proportional to 8,488.44, 11,712.24 and 5,130.59

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Solution

The fourth proportional to 8,488.44, 11,712.24 and 5,130.59 is: 7,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.44 : 11,712.24 = 5,130.59 : x
  2. Step 2: Convert to fraction form
    8,488.44/11,712.24 = 5,130.59/x
  3. Step 3: Cross multiply
    8,488.44x = 11,712.24 × 5,130.59
  4. Step 4: Simplify right side
    8,488.44x = 60,090,642.86
  5. Step 5: Solve for x
    x = 60,090,642.86/8,488.44
  6. Step 6: Final answer
    x = 7,079.11

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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.