Home / 8,700.21-13,038.68-4,531.48

Finding the Fourth Proportional to 8,700.21, 13,038.68 and 4,531.48

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Solution

The fourth proportional to 8,700.21, 13,038.68 and 4,531.48 is: 6,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.21 : 13,038.68 = 4,531.48 : x
  2. Step 2: Convert to fraction form
    8,700.21/13,038.68 = 4,531.48/x
  3. Step 3: Cross multiply
    8,700.21x = 13,038.68 × 4,531.48
  4. Step 4: Simplify right side
    8,700.21x = 59,084,452.45
  5. Step 5: Solve for x
    x = 59,084,452.45/8,700.21
  6. Step 6: Final answer
    x = 6,791.15

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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.