Home / 4,479.88-6,720.96-1,558.24

Finding the Fourth Proportional to 4,479.88, 6,720.96 and 1,558.24

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Solution

The fourth proportional to 4,479.88, 6,720.96 and 1,558.24 is: 2,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.88 : 6,720.96 = 1,558.24 : x
  2. Step 2: Convert to fraction form
    4,479.88/6,720.96 = 1,558.24/x
  3. Step 3: Cross multiply
    4,479.88x = 6,720.96 × 1,558.24
  4. Step 4: Simplify right side
    4,479.88x = 10,472,868.71
  5. Step 5: Solve for x
    x = 10,472,868.71/4,479.88
  6. Step 6: Final answer
    x = 2,337.76

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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.