Home / 8,569.28-12,867.87-5,303.18

Finding the Fourth Proportional to 8,569.28, 12,867.87 and 5,303.18

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Solution

The fourth proportional to 8,569.28, 12,867.87 and 5,303.18 is: 7,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.28 : 12,867.87 = 5,303.18 : x
  2. Step 2: Convert to fraction form
    8,569.28/12,867.87 = 5,303.18/x
  3. Step 3: Cross multiply
    8,569.28x = 12,867.87 × 5,303.18
  4. Step 4: Simplify right side
    8,569.28x = 68,240,630.83
  5. Step 5: Solve for x
    x = 68,240,630.83/8,569.28
  6. Step 6: Final answer
    x = 7,963.40

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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.