Home / 7,934.40-10,950.12-4,398.75

Finding the Fourth Proportional to 7,934.40, 10,950.12 and 4,398.75

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Solution

The fourth proportional to 7,934.40, 10,950.12 and 4,398.75 is: 6,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.40 : 10,950.12 = 4,398.75 : x
  2. Step 2: Convert to fraction form
    7,934.40/10,950.12 = 4,398.75/x
  3. Step 3: Cross multiply
    7,934.40x = 10,950.12 × 4,398.75
  4. Step 4: Simplify right side
    7,934.40x = 48,166,840.35
  5. Step 5: Solve for x
    x = 48,166,840.35/7,934.40
  6. Step 6: Final answer
    x = 6,070.63

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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.