Home / 7,307.19-10,084.86-4,791.42

Finding the Fourth Proportional to 7,307.19, 10,084.86 and 4,791.42

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Solution

The fourth proportional to 7,307.19, 10,084.86 and 4,791.42 is: 6,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.19 : 10,084.86 = 4,791.42 : x
  2. Step 2: Convert to fraction form
    7,307.19/10,084.86 = 4,791.42/x
  3. Step 3: Cross multiply
    7,307.19x = 10,084.86 × 4,791.42
  4. Step 4: Simplify right side
    7,307.19x = 48,320,799.90
  5. Step 5: Solve for x
    x = 48,320,799.90/7,307.19
  6. Step 6: Final answer
    x = 6,612.77

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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.