Home / 8,417.67-12,619.60-3,490.85

Finding the Fourth Proportional to 8,417.67, 12,619.60 and 3,490.85

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Solution

The fourth proportional to 8,417.67, 12,619.60 and 3,490.85 is: 5,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.67 : 12,619.60 = 3,490.85 : x
  2. Step 2: Convert to fraction form
    8,417.67/12,619.60 = 3,490.85/x
  3. Step 3: Cross multiply
    8,417.67x = 12,619.60 × 3,490.85
  4. Step 4: Simplify right side
    8,417.67x = 44,053,082.50
  5. Step 5: Solve for x
    x = 44,053,082.50/8,417.67
  6. Step 6: Final answer
    x = 5,233.40

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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.