Home / 8,717.55-12,030.27-5,132.64

Finding the Fourth Proportional to 8,717.55, 12,030.27 and 5,132.64

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Solution

The fourth proportional to 8,717.55, 12,030.27 and 5,132.64 is: 7,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.55 : 12,030.27 = 5,132.64 : x
  2. Step 2: Convert to fraction form
    8,717.55/12,030.27 = 5,132.64/x
  3. Step 3: Cross multiply
    8,717.55x = 12,030.27 × 5,132.64
  4. Step 4: Simplify right side
    8,717.55x = 61,747,065.91
  5. Step 5: Solve for x
    x = 61,747,065.91/8,717.55
  6. Step 6: Final answer
    x = 7,083.08

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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.