Home / 8,152.74-12,242.70-5,501.40

Finding the Fourth Proportional to 8,152.74, 12,242.70 and 5,501.40

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Solution

The fourth proportional to 8,152.74, 12,242.70 and 5,501.40 is: 8,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.74 : 12,242.70 = 5,501.40 : x
  2. Step 2: Convert to fraction form
    8,152.74/12,242.70 = 5,501.40/x
  3. Step 3: Cross multiply
    8,152.74x = 12,242.70 × 5,501.40
  4. Step 4: Simplify right side
    8,152.74x = 67,351,989.78
  5. Step 5: Solve for x
    x = 67,351,989.78/8,152.74
  6. Step 6: Final answer
    x = 8,261.27

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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.