Home / 6,435.78-9,654.48-2,925.78

Finding the Fourth Proportional to 6,435.78, 9,654.48 and 2,925.78

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Solution

The fourth proportional to 6,435.78, 9,654.48 and 2,925.78 is: 4,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.78 : 9,654.48 = 2,925.78 : x
  2. Step 2: Convert to fraction form
    6,435.78/9,654.48 = 2,925.78/x
  3. Step 3: Cross multiply
    6,435.78x = 9,654.48 × 2,925.78
  4. Step 4: Simplify right side
    6,435.78x = 28,246,884.49
  5. Step 5: Solve for x
    x = 28,246,884.49/6,435.78
  6. Step 6: Final answer
    x = 4,389.04

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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.