Home / 9,281.12-12,808.06-5,089.64

Finding the Fourth Proportional to 9,281.12, 12,808.06 and 5,089.64

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Solution

The fourth proportional to 9,281.12, 12,808.06 and 5,089.64 is: 7,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.12 : 12,808.06 = 5,089.64 : x
  2. Step 2: Convert to fraction form
    9,281.12/12,808.06 = 5,089.64/x
  3. Step 3: Cross multiply
    9,281.12x = 12,808.06 × 5,089.64
  4. Step 4: Simplify right side
    9,281.12x = 65,188,337.73
  5. Step 5: Solve for x
    x = 65,188,337.73/9,281.12
  6. Step 6: Final answer
    x = 7,023.76

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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.