Home / 8,280.24-11,426.78-4,503.44

Finding the Fourth Proportional to 8,280.24, 11,426.78 and 4,503.44

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Solution

The fourth proportional to 8,280.24, 11,426.78 and 4,503.44 is: 6,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.24 : 11,426.78 = 4,503.44 : x
  2. Step 2: Convert to fraction form
    8,280.24/11,426.78 = 4,503.44/x
  3. Step 3: Cross multiply
    8,280.24x = 11,426.78 × 4,503.44
  4. Step 4: Simplify right side
    8,280.24x = 51,459,818.12
  5. Step 5: Solve for x
    x = 51,459,818.12/8,280.24
  6. Step 6: Final answer
    x = 6,214.77

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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.