Home / 8,719.68-12,033.18-4,740.79

Finding the Fourth Proportional to 8,719.68, 12,033.18 and 4,740.79

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Solution

The fourth proportional to 8,719.68, 12,033.18 and 4,740.79 is: 6,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.68 : 12,033.18 = 4,740.79 : x
  2. Step 2: Convert to fraction form
    8,719.68/12,033.18 = 4,740.79/x
  3. Step 3: Cross multiply
    8,719.68x = 12,033.18 × 4,740.79
  4. Step 4: Simplify right side
    8,719.68x = 57,046,779.41
  5. Step 5: Solve for x
    x = 57,046,779.41/8,719.68
  6. Step 6: Final answer
    x = 6,542.30

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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.