Home / 5,748.24-8,621.20-1,587.20

Finding the Fourth Proportional to 5,748.24, 8,621.20 and 1,587.20

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Solution

The fourth proportional to 5,748.24, 8,621.20 and 1,587.20 is: 2,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.24 : 8,621.20 = 1,587.20 : x
  2. Step 2: Convert to fraction form
    5,748.24/8,621.20 = 1,587.20/x
  3. Step 3: Cross multiply
    5,748.24x = 8,621.20 × 1,587.20
  4. Step 4: Simplify right side
    5,748.24x = 13,683,568.64
  5. Step 5: Solve for x
    x = 13,683,568.64/5,748.24
  6. Step 6: Final answer
    x = 2,380.48

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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.