Home / 8,417.40-12,626.46-2,870.52

Finding the Fourth Proportional to 8,417.40, 12,626.46 and 2,870.52

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Solution

The fourth proportional to 8,417.40, 12,626.46 and 2,870.52 is: 4,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.40 : 12,626.46 = 2,870.52 : x
  2. Step 2: Convert to fraction form
    8,417.40/12,626.46 = 2,870.52/x
  3. Step 3: Cross multiply
    8,417.40x = 12,626.46 × 2,870.52
  4. Step 4: Simplify right side
    8,417.40x = 36,244,505.96
  5. Step 5: Solve for x
    x = 36,244,505.96/8,417.40
  6. Step 6: Final answer
    x = 4,305.90

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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.