Home / 8,307.36-11,458.29-4,947.57

Finding the Fourth Proportional to 8,307.36, 11,458.29 and 4,947.57

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Solution

The fourth proportional to 8,307.36, 11,458.29 and 4,947.57 is: 6,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.36 : 11,458.29 = 4,947.57 : x
  2. Step 2: Convert to fraction form
    8,307.36/11,458.29 = 4,947.57/x
  3. Step 3: Cross multiply
    8,307.36x = 11,458.29 × 4,947.57
  4. Step 4: Simplify right side
    8,307.36x = 56,690,691.86
  5. Step 5: Solve for x
    x = 56,690,691.86/8,307.36
  6. Step 6: Final answer
    x = 6,824.15

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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.