Home / 6,780.25-10,159.98-4,307.50

Finding the Fourth Proportional to 6,780.25, 10,159.98 and 4,307.50

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Solution

The fourth proportional to 6,780.25, 10,159.98 and 4,307.50 is: 6,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.25 : 10,159.98 = 4,307.50 : x
  2. Step 2: Convert to fraction form
    6,780.25/10,159.98 = 4,307.50/x
  3. Step 3: Cross multiply
    6,780.25x = 10,159.98 × 4,307.50
  4. Step 4: Simplify right side
    6,780.25x = 43,764,113.85
  5. Step 5: Solve for x
    x = 43,764,113.85/6,780.25
  6. Step 6: Final answer
    x = 6,454.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.