Home / 6,925.40-9,557.87-3,900.61

Finding the Fourth Proportional to 6,925.40, 9,557.87 and 3,900.61

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Solution

The fourth proportional to 6,925.40, 9,557.87 and 3,900.61 is: 5,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.40 : 9,557.87 = 3,900.61 : x
  2. Step 2: Convert to fraction form
    6,925.40/9,557.87 = 3,900.61/x
  3. Step 3: Cross multiply
    6,925.40x = 9,557.87 × 3,900.61
  4. Step 4: Simplify right side
    6,925.40x = 37,281,523.30
  5. Step 5: Solve for x
    x = 37,281,523.30/6,925.40
  6. Step 6: Final answer
    x = 5,383.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.