Home / 8,717.32-12,031.50-5,182.48

Finding the Fourth Proportional to 8,717.32, 12,031.50 and 5,182.48

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Solution

The fourth proportional to 8,717.32, 12,031.50 and 5,182.48 is: 7,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.32 : 12,031.50 = 5,182.48 : x
  2. Step 2: Convert to fraction form
    8,717.32/12,031.50 = 5,182.48/x
  3. Step 3: Cross multiply
    8,717.32x = 12,031.50 × 5,182.48
  4. Step 4: Simplify right side
    8,717.32x = 62,353,008.12
  5. Step 5: Solve for x
    x = 62,353,008.12/8,717.32
  6. Step 6: Final answer
    x = 7,152.77

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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.