Home / 4,298.91-6,448.05-1,337.28

Finding the Fourth Proportional to 4,298.91, 6,448.05 and 1,337.28

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Solution

The fourth proportional to 4,298.91, 6,448.05 and 1,337.28 is: 2,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.91 : 6,448.05 = 1,337.28 : x
  2. Step 2: Convert to fraction form
    4,298.91/6,448.05 = 1,337.28/x
  3. Step 3: Cross multiply
    4,298.91x = 6,448.05 × 1,337.28
  4. Step 4: Simplify right side
    4,298.91x = 8,622,848.30
  5. Step 5: Solve for x
    x = 8,622,848.30/4,298.91
  6. Step 6: Final answer
    x = 2,005.82

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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.