Home / 5,385.08-8,068.88-5,182.79

Finding the Fourth Proportional to 5,385.08, 8,068.88 and 5,182.79

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Solution

The fourth proportional to 5,385.08, 8,068.88 and 5,182.79 is: 7,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.08 : 8,068.88 = 5,182.79 : x
  2. Step 2: Convert to fraction form
    5,385.08/8,068.88 = 5,182.79/x
  3. Step 3: Cross multiply
    5,385.08x = 8,068.88 × 5,182.79
  4. Step 4: Simplify right side
    5,385.08x = 41,819,283.19
  5. Step 5: Solve for x
    x = 41,819,283.19/5,385.08
  6. Step 6: Final answer
    x = 7,765.76

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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.