Home / 6,278.60-9,411.72-2,770.52

Finding the Fourth Proportional to 6,278.60, 9,411.72 and 2,770.52

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Solution

The fourth proportional to 6,278.60, 9,411.72 and 2,770.52 is: 4,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.60 : 9,411.72 = 2,770.52 : x
  2. Step 2: Convert to fraction form
    6,278.60/9,411.72 = 2,770.52/x
  3. Step 3: Cross multiply
    6,278.60x = 9,411.72 × 2,770.52
  4. Step 4: Simplify right side
    6,278.60x = 26,075,358.49
  5. Step 5: Solve for x
    x = 26,075,358.49/6,278.60
  6. Step 6: Final answer
    x = 4,153.05

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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.