Home / 9,281.08-12,808.92-5,302.76

Finding the Fourth Proportional to 9,281.08, 12,808.92 and 5,302.76

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Solution

The fourth proportional to 9,281.08, 12,808.92 and 5,302.76 is: 7,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.08 : 12,808.92 = 5,302.76 : x
  2. Step 2: Convert to fraction form
    9,281.08/12,808.92 = 5,302.76/x
  3. Step 3: Cross multiply
    9,281.08x = 12,808.92 × 5,302.76
  4. Step 4: Simplify right side
    9,281.08x = 67,922,628.62
  5. Step 5: Solve for x
    x = 67,922,628.62/9,281.08
  6. Step 6: Final answer
    x = 7,318.40

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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.