Home / 8,532.29-12,803.90-4,147.35

Finding the Fourth Proportional to 8,532.29, 12,803.90 and 4,147.35

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Solution

The fourth proportional to 8,532.29, 12,803.90 and 4,147.35 is: 6,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.29 : 12,803.90 = 4,147.35 : x
  2. Step 2: Convert to fraction form
    8,532.29/12,803.90 = 4,147.35/x
  3. Step 3: Cross multiply
    8,532.29x = 12,803.90 × 4,147.35
  4. Step 4: Simplify right side
    8,532.29x = 53,102,269.60
  5. Step 5: Solve for x
    x = 53,102,269.60/8,532.29
  6. Step 6: Final answer
    x = 6,223.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.