Home / 9,281.68-12,808.36-5,089.84

Finding the Fourth Proportional to 9,281.68, 12,808.36 and 5,089.84

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Solution

The fourth proportional to 9,281.68, 12,808.36 and 5,089.84 is: 7,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.68 : 12,808.36 = 5,089.84 : x
  2. Step 2: Convert to fraction form
    9,281.68/12,808.36 = 5,089.84/x
  3. Step 3: Cross multiply
    9,281.68x = 12,808.36 × 5,089.84
  4. Step 4: Simplify right side
    9,281.68x = 65,192,503.06
  5. Step 5: Solve for x
    x = 65,192,503.06/9,281.68
  6. Step 6: Final answer
    x = 7,023.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.