Home / 4,890.38-7,332.53-2,077.85

Finding the Fourth Proportional to 4,890.38, 7,332.53 and 2,077.85

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Solution

The fourth proportional to 4,890.38, 7,332.53 and 2,077.85 is: 3,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.38 : 7,332.53 = 2,077.85 : x
  2. Step 2: Convert to fraction form
    4,890.38/7,332.53 = 2,077.85/x
  3. Step 3: Cross multiply
    4,890.38x = 7,332.53 × 2,077.85
  4. Step 4: Simplify right side
    4,890.38x = 15,235,905.40
  5. Step 5: Solve for x
    x = 15,235,905.40/4,890.38
  6. Step 6: Final answer
    x = 3,115.49

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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.