Home / 8,523.12-12,752.28-5,133.24

Finding the Fourth Proportional to 8,523.12, 12,752.28 and 5,133.24

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Solution

The fourth proportional to 8,523.12, 12,752.28 and 5,133.24 is: 7,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.12 : 12,752.28 = 5,133.24 : x
  2. Step 2: Convert to fraction form
    8,523.12/12,752.28 = 5,133.24/x
  3. Step 3: Cross multiply
    8,523.12x = 12,752.28 × 5,133.24
  4. Step 4: Simplify right side
    8,523.12x = 65,460,513.79
  5. Step 5: Solve for x
    x = 65,460,513.79/8,523.12
  6. Step 6: Final answer
    x = 7,680.35

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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.