Home / 4,103.68-6,154.56-1,507.20

Finding the Fourth Proportional to 4,103.68, 6,154.56 and 1,507.20

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Solution

The fourth proportional to 4,103.68, 6,154.56 and 1,507.20 is: 2,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.68 : 6,154.56 = 1,507.20 : x
  2. Step 2: Convert to fraction form
    4,103.68/6,154.56 = 1,507.20/x
  3. Step 3: Cross multiply
    4,103.68x = 6,154.56 × 1,507.20
  4. Step 4: Simplify right side
    4,103.68x = 9,276,152.83
  5. Step 5: Solve for x
    x = 9,276,152.83/4,103.68
  6. Step 6: Final answer
    x = 2,260.45

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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.