Home / 8,782.56-13,175.28-3,587.04

Finding the Fourth Proportional to 8,782.56, 13,175.28 and 3,587.04

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Solution

The fourth proportional to 8,782.56, 13,175.28 and 3,587.04 is: 5,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.56 : 13,175.28 = 3,587.04 : x
  2. Step 2: Convert to fraction form
    8,782.56/13,175.28 = 3,587.04/x
  3. Step 3: Cross multiply
    8,782.56x = 13,175.28 × 3,587.04
  4. Step 4: Simplify right side
    8,782.56x = 47,260,256.37
  5. Step 5: Solve for x
    x = 47,260,256.37/8,782.56
  6. Step 6: Final answer
    x = 5,381.15

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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.