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Finding the Fourth Proportional to 6,542.64, 9,815.58 and 1,925.64

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Solution

The fourth proportional to 6,542.64, 9,815.58 and 1,925.64 is: 2,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.64 : 9,815.58 = 1,925.64 : x
  2. Step 2: Convert to fraction form
    6,542.64/9,815.58 = 1,925.64/x
  3. Step 3: Cross multiply
    6,542.64x = 9,815.58 × 1,925.64
  4. Step 4: Simplify right side
    6,542.64x = 18,901,273.47
  5. Step 5: Solve for x
    x = 18,901,273.47/6,542.64
  6. Step 6: Final answer
    x = 2,888.94

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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.