Home / 5,177.98-7,762.88-2,984.16

Finding the Fourth Proportional to 5,177.98, 7,762.88 and 2,984.16

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Solution

The fourth proportional to 5,177.98, 7,762.88 and 2,984.16 is: 4,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.98 : 7,762.88 = 2,984.16 : x
  2. Step 2: Convert to fraction form
    5,177.98/7,762.88 = 2,984.16/x
  3. Step 3: Cross multiply
    5,177.98x = 7,762.88 × 2,984.16
  4. Step 4: Simplify right side
    5,177.98x = 23,165,675.98
  5. Step 5: Solve for x
    x = 23,165,675.98/5,177.98
  6. Step 6: Final answer
    x = 4,473.88

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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.