Home / 8,280.22-11,426.76-4,503.40

Finding the Fourth Proportional to 8,280.22, 11,426.76 and 4,503.40

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Solution

The fourth proportional to 8,280.22, 11,426.76 and 4,503.40 is: 6,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.22 : 11,426.76 = 4,503.40 : x
  2. Step 2: Convert to fraction form
    8,280.22/11,426.76 = 4,503.40/x
  3. Step 3: Cross multiply
    8,280.22x = 11,426.76 × 4,503.40
  4. Step 4: Simplify right side
    8,280.22x = 51,459,270.98
  5. Step 5: Solve for x
    x = 51,459,270.98/8,280.22
  6. Step 6: Final answer
    x = 6,214.72

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Half scale
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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.