Home / 4,158.20-6,240.48-1,528.20

Finding the Fourth Proportional to 4,158.20, 6,240.48 and 1,528.20

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Solution

The fourth proportional to 4,158.20, 6,240.48 and 1,528.20 is: 2,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.20 : 6,240.48 = 1,528.20 : x
  2. Step 2: Convert to fraction form
    4,158.20/6,240.48 = 1,528.20/x
  3. Step 3: Cross multiply
    4,158.20x = 6,240.48 × 1,528.20
  4. Step 4: Simplify right side
    4,158.20x = 9,536,693.90
  5. Step 5: Solve for x
    x = 9,536,693.90/4,158.20
  6. Step 6: Final answer
    x = 2,293.47

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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.