Home / 8,719.50-12,033-4,740.66

Finding the Fourth Proportional to 8,719.50, 12,033 and 4,740.66

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Solution

The fourth proportional to 8,719.50, 12,033 and 4,740.66 is: 6,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.50 : 12,033 = 4,740.66 : x
  2. Step 2: Convert to fraction form
    8,719.50/12,033 = 4,740.66/x
  3. Step 3: Cross multiply
    8,719.50x = 12,033 × 4,740.66
  4. Step 4: Simplify right side
    8,719.50x = 57,044,361.78
  5. Step 5: Solve for x
    x = 57,044,361.78/8,719.50
  6. Step 6: Final answer
    x = 6,542.16

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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.