Home / 4,642.24-6,407.52-2,872.84

Finding the Fourth Proportional to 4,642.24, 6,407.52 and 2,872.84

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Solution

The fourth proportional to 4,642.24, 6,407.52 and 2,872.84 is: 3,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.24 : 6,407.52 = 2,872.84 : x
  2. Step 2: Convert to fraction form
    4,642.24/6,407.52 = 2,872.84/x
  3. Step 3: Cross multiply
    4,642.24x = 6,407.52 × 2,872.84
  4. Step 4: Simplify right side
    4,642.24x = 18,407,779.76
  5. Step 5: Solve for x
    x = 18,407,779.76/4,642.24
  6. Step 6: Final answer
    x = 3,965.28

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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.