Home / 4,558.40-6,291.28-2,983.76

Finding the Fourth Proportional to 4,558.40, 6,291.28 and 2,983.76

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Solution

The fourth proportional to 4,558.40, 6,291.28 and 2,983.76 is: 4,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.40 : 6,291.28 = 2,983.76 : x
  2. Step 2: Convert to fraction form
    4,558.40/6,291.28 = 2,983.76/x
  3. Step 3: Cross multiply
    4,558.40x = 6,291.28 × 2,983.76
  4. Step 4: Simplify right side
    4,558.40x = 18,771,669.61
  5. Step 5: Solve for x
    x = 18,771,669.61/4,558.40
  6. Step 6: Final answer
    x = 4,118.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.