Home / 4,298.20-6,447.12-1,377.16

Finding the Fourth Proportional to 4,298.20, 6,447.12 and 1,377.16

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Solution

The fourth proportional to 4,298.20, 6,447.12 and 1,377.16 is: 2,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.20 : 6,447.12 = 1,377.16 : x
  2. Step 2: Convert to fraction form
    4,298.20/6,447.12 = 1,377.16/x
  3. Step 3: Cross multiply
    4,298.20x = 6,447.12 × 1,377.16
  4. Step 4: Simplify right side
    4,298.20x = 8,878,715.78
  5. Step 5: Solve for x
    x = 8,878,715.78/4,298.20
  6. Step 6: Final answer
    x = 2,065.68

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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.