Home / 4,655.42-6,425.07-2,887.30

Finding the Fourth Proportional to 4,655.42, 6,425.07 and 2,887.30

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Solution

The fourth proportional to 4,655.42, 6,425.07 and 2,887.30 is: 3,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.42 : 6,425.07 = 2,887.30 : x
  2. Step 2: Convert to fraction form
    4,655.42/6,425.07 = 2,887.30/x
  3. Step 3: Cross multiply
    4,655.42x = 6,425.07 × 2,887.30
  4. Step 4: Simplify right side
    4,655.42x = 18,551,081.91
  5. Step 5: Solve for x
    x = 18,551,081.91/4,655.42
  6. Step 6: Final answer
    x = 3,984.83

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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.