Home / 8,280.12-11,426.52-4,743.30

Finding the Fourth Proportional to 8,280.12, 11,426.52 and 4,743.30

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Solution

The fourth proportional to 8,280.12, 11,426.52 and 4,743.30 is: 6,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.12 : 11,426.52 = 4,743.30 : x
  2. Step 2: Convert to fraction form
    8,280.12/11,426.52 = 4,743.30/x
  3. Step 3: Cross multiply
    8,280.12x = 11,426.52 × 4,743.30
  4. Step 4: Simplify right side
    8,280.12x = 54,199,412.32
  5. Step 5: Solve for x
    x = 54,199,412.32/8,280.12
  6. Step 6: Final answer
    x = 6,545.73

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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.