Home / 4,391.46-6,587.28-1,271.70

Finding the Fourth Proportional to 4,391.46, 6,587.28 and 1,271.70

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Solution

The fourth proportional to 4,391.46, 6,587.28 and 1,271.70 is: 1,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.46 : 6,587.28 = 1,271.70 : x
  2. Step 2: Convert to fraction form
    4,391.46/6,587.28 = 1,271.70/x
  3. Step 3: Cross multiply
    4,391.46x = 6,587.28 × 1,271.70
  4. Step 4: Simplify right side
    4,391.46x = 8,377,043.98
  5. Step 5: Solve for x
    x = 8,377,043.98/4,391.46
  6. Step 6: Final answer
    x = 1,907.58

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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.