Home / 8,480.04-11,702.98-5,642.52

Finding the Fourth Proportional to 8,480.04, 11,702.98 and 5,642.52

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Solution

The fourth proportional to 8,480.04, 11,702.98 and 5,642.52 is: 7,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.04 : 11,702.98 = 5,642.52 : x
  2. Step 2: Convert to fraction form
    8,480.04/11,702.98 = 5,642.52/x
  3. Step 3: Cross multiply
    8,480.04x = 11,702.98 × 5,642.52
  4. Step 4: Simplify right side
    8,480.04x = 66,034,298.71
  5. Step 5: Solve for x
    x = 66,034,298.71/8,480.04
  6. Step 6: Final answer
    x = 7,787.03

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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.