Home / 6,458.40-9,687.60-2,303.10

Finding the Fourth Proportional to 6,458.40, 9,687.60 and 2,303.10

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Solution

The fourth proportional to 6,458.40, 9,687.60 and 2,303.10 is: 3,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.40 : 9,687.60 = 2,303.10 : x
  2. Step 2: Convert to fraction form
    6,458.40/9,687.60 = 2,303.10/x
  3. Step 3: Cross multiply
    6,458.40x = 9,687.60 × 2,303.10
  4. Step 4: Simplify right side
    6,458.40x = 22,311,511.56
  5. Step 5: Solve for x
    x = 22,311,511.56/6,458.40
  6. Step 6: Final answer
    x = 3,454.65

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Similar ratio
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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.