Home / 6,925.80-9,553.86-4,130.76

Finding the Fourth Proportional to 6,925.80, 9,553.86 and 4,130.76

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Solution

The fourth proportional to 6,925.80, 9,553.86 and 4,130.76 is: 5,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.80 : 9,553.86 = 4,130.76 : x
  2. Step 2: Convert to fraction form
    6,925.80/9,553.86 = 4,130.76/x
  3. Step 3: Cross multiply
    6,925.80x = 9,553.86 × 4,130.76
  4. Step 4: Simplify right side
    6,925.80x = 39,464,702.73
  5. Step 5: Solve for x
    x = 39,464,702.73/6,925.80
  6. Step 6: Final answer
    x = 5,698.22

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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.