Home / 4,139.28-6,209.46-1,507.32

Finding the Fourth Proportional to 4,139.28, 6,209.46 and 1,507.32

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Solution

The fourth proportional to 4,139.28, 6,209.46 and 1,507.32 is: 2,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.28 : 6,209.46 = 1,507.32 : x
  2. Step 2: Convert to fraction form
    4,139.28/6,209.46 = 1,507.32/x
  3. Step 3: Cross multiply
    4,139.28x = 6,209.46 × 1,507.32
  4. Step 4: Simplify right side
    4,139.28x = 9,359,643.25
  5. Step 5: Solve for x
    x = 9,359,643.25/4,139.28
  6. Step 6: Final answer
    x = 2,261.18

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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.