Home / 4,139.47-6,209.48-1,541.53

Finding the Fourth Proportional to 4,139.47, 6,209.48 and 1,541.53

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Solution

The fourth proportional to 4,139.47, 6,209.48 and 1,541.53 is: 2,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.47 : 6,209.48 = 1,541.53 : x
  2. Step 2: Convert to fraction form
    4,139.47/6,209.48 = 1,541.53/x
  3. Step 3: Cross multiply
    4,139.47x = 6,209.48 × 1,541.53
  4. Step 4: Simplify right side
    4,139.47x = 9,572,099.70
  5. Step 5: Solve for x
    x = 9,572,099.70/4,139.47
  6. Step 6: Final answer
    x = 2,312.40

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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.