Home / 8,360.42-12,532.21-5,242.63

Finding the Fourth Proportional to 8,360.42, 12,532.21 and 5,242.63

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Solution

The fourth proportional to 8,360.42, 12,532.21 and 5,242.63 is: 7,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.42 : 12,532.21 = 5,242.63 : x
  2. Step 2: Convert to fraction form
    8,360.42/12,532.21 = 5,242.63/x
  3. Step 3: Cross multiply
    8,360.42x = 12,532.21 × 5,242.63
  4. Step 4: Simplify right side
    8,360.42x = 65,701,713.90
  5. Step 5: Solve for x
    x = 65,701,713.90/8,360.42
  6. Step 6: Final answer
    x = 7,858.66

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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.