Home / 8,890.30-13,335.10-2,316.54

Finding the Fourth Proportional to 8,890.30, 13,335.10 and 2,316.54

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Solution

The fourth proportional to 8,890.30, 13,335.10 and 2,316.54 is: 3,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.30 : 13,335.10 = 2,316.54 : x
  2. Step 2: Convert to fraction form
    8,890.30/13,335.10 = 2,316.54/x
  3. Step 3: Cross multiply
    8,890.30x = 13,335.10 × 2,316.54
  4. Step 4: Simplify right side
    8,890.30x = 30,891,292.55
  5. Step 5: Solve for x
    x = 30,891,292.55/8,890.30
  6. Step 6: Final answer
    x = 3,474.72

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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.