Home / 8,570.40-12,851.04-4,062.72

Finding the Fourth Proportional to 8,570.40, 12,851.04 and 4,062.72

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Solution

The fourth proportional to 8,570.40, 12,851.04 and 4,062.72 is: 6,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.40 : 12,851.04 = 4,062.72 : x
  2. Step 2: Convert to fraction form
    8,570.40/12,851.04 = 4,062.72/x
  3. Step 3: Cross multiply
    8,570.40x = 12,851.04 × 4,062.72
  4. Step 4: Simplify right side
    8,570.40x = 52,210,177.23
  5. Step 5: Solve for x
    x = 52,210,177.23/8,570.40
  6. Step 6: Final answer
    x = 6,091.92

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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.