Home / 4,347.14-6,521.67-1,385.78

Finding the Fourth Proportional to 4,347.14, 6,521.67 and 1,385.78

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Solution

The fourth proportional to 4,347.14, 6,521.67 and 1,385.78 is: 2,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347.14 : 6,521.67 = 1,385.78 : x
  2. Step 2: Convert to fraction form
    4,347.14/6,521.67 = 1,385.78/x
  3. Step 3: Cross multiply
    4,347.14x = 6,521.67 × 1,385.78
  4. Step 4: Simplify right side
    4,347.14x = 9,037,599.85
  5. Step 5: Solve for x
    x = 9,037,599.85/4,347.14
  6. Step 6: Final answer
    x = 2,078.98

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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.