Home / 6,464.48-9,701.60-2,569.20

Finding the Fourth Proportional to 6,464.48, 9,701.60 and 2,569.20

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Solution

The fourth proportional to 6,464.48, 9,701.60 and 2,569.20 is: 3,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.48 : 9,701.60 = 2,569.20 : x
  2. Step 2: Convert to fraction form
    6,464.48/9,701.60 = 2,569.20/x
  3. Step 3: Cross multiply
    6,464.48x = 9,701.60 × 2,569.20
  4. Step 4: Simplify right side
    6,464.48x = 24,925,350.72
  5. Step 5: Solve for x
    x = 24,925,350.72/6,464.48
  6. Step 6: Final answer
    x = 3,855.74

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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.