Home / 9,002.50-12,423.45-5,276.50

Finding the Fourth Proportional to 9,002.50, 12,423.45 and 5,276.50

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Solution

The fourth proportional to 9,002.50, 12,423.45 and 5,276.50 is: 7,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.50 : 12,423.45 = 5,276.50 : x
  2. Step 2: Convert to fraction form
    9,002.50/12,423.45 = 5,276.50/x
  3. Step 3: Cross multiply
    9,002.50x = 12,423.45 × 5,276.50
  4. Step 4: Simplify right side
    9,002.50x = 65,552,333.93
  5. Step 5: Solve for x
    x = 65,552,333.93/9,002.50
  6. Step 6: Final answer
    x = 7,281.57

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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.