Home / 8,719.55-12,032.96-4,740.69

Finding the Fourth Proportional to 8,719.55, 12,032.96 and 4,740.69

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Solution

The fourth proportional to 8,719.55, 12,032.96 and 4,740.69 is: 6,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.55 : 12,032.96 = 4,740.69 : x
  2. Step 2: Convert to fraction form
    8,719.55/12,032.96 = 4,740.69/x
  3. Step 3: Cross multiply
    8,719.55x = 12,032.96 × 4,740.69
  4. Step 4: Simplify right side
    8,719.55x = 57,044,509.44
  5. Step 5: Solve for x
    x = 57,044,509.44/8,719.55
  6. Step 6: Final answer
    x = 6,542.14

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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.