Home / 8,675.28-13,012.92-4,288.32

Finding the Fourth Proportional to 8,675.28, 13,012.92 and 4,288.32

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Solution

The fourth proportional to 8,675.28, 13,012.92 and 4,288.32 is: 6,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.28 : 13,012.92 = 4,288.32 : x
  2. Step 2: Convert to fraction form
    8,675.28/13,012.92 = 4,288.32/x
  3. Step 3: Cross multiply
    8,675.28x = 13,012.92 × 4,288.32
  4. Step 4: Simplify right side
    8,675.28x = 55,803,565.09
  5. Step 5: Solve for x
    x = 55,803,565.09/8,675.28
  6. Step 6: Final answer
    x = 6,432.48

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1.5x scale

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.