Home / 8,280.18-11,426.94-4,742.64

Finding the Fourth Proportional to 8,280.18, 11,426.94 and 4,742.64

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Solution

The fourth proportional to 8,280.18, 11,426.94 and 4,742.64 is: 6,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.18 : 11,426.94 = 4,742.64 : x
  2. Step 2: Convert to fraction form
    8,280.18/11,426.94 = 4,742.64/x
  3. Step 3: Cross multiply
    8,280.18x = 11,426.94 × 4,742.64
  4. Step 4: Simplify right side
    8,280.18x = 54,193,862.72
  5. Step 5: Solve for x
    x = 54,193,862.72/8,280.18
  6. Step 6: Final answer
    x = 6,545.01

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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.