Home / 5,403.08-8,103.36-1,507.88

Finding the Fourth Proportional to 5,403.08, 8,103.36 and 1,507.88

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Solution

The fourth proportional to 5,403.08, 8,103.36 and 1,507.88 is: 2,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.08 : 8,103.36 = 1,507.88 : x
  2. Step 2: Convert to fraction form
    5,403.08/8,103.36 = 1,507.88/x
  3. Step 3: Cross multiply
    5,403.08x = 8,103.36 × 1,507.88
  4. Step 4: Simplify right side
    5,403.08x = 12,218,894.48
  5. Step 5: Solve for x
    x = 12,218,894.48/5,403.08
  6. Step 6: Final answer
    x = 2,261.47

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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.