Home / 6,427.48-9,633.88-2,920.16

Finding the Fourth Proportional to 6,427.48, 9,633.88 and 2,920.16

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Solution

The fourth proportional to 6,427.48, 9,633.88 and 2,920.16 is: 4,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.48 : 9,633.88 = 2,920.16 : x
  2. Step 2: Convert to fraction form
    6,427.48/9,633.88 = 2,920.16/x
  3. Step 3: Cross multiply
    6,427.48x = 9,633.88 × 2,920.16
  4. Step 4: Simplify right side
    6,427.48x = 28,132,471.02
  5. Step 5: Solve for x
    x = 28,132,471.02/6,427.48
  6. Step 6: Final answer
    x = 4,376.91

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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.