Home / 9,113.60-13,659.04-4,728.48

Finding the Fourth Proportional to 9,113.60, 13,659.04 and 4,728.48

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Solution

The fourth proportional to 9,113.60, 13,659.04 and 4,728.48 is: 7,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.60 : 13,659.04 = 4,728.48 : x
  2. Step 2: Convert to fraction form
    9,113.60/13,659.04 = 4,728.48/x
  3. Step 3: Cross multiply
    9,113.60x = 13,659.04 × 4,728.48
  4. Step 4: Simplify right side
    9,113.60x = 64,586,497.46
  5. Step 5: Solve for x
    x = 64,586,497.46/9,113.60
  6. Step 6: Final answer
    x = 7,086.83

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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.