Home / 5,385.18-7,430.76-3,026.87

Finding the Fourth Proportional to 5,385.18, 7,430.76 and 3,026.87

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Solution

The fourth proportional to 5,385.18, 7,430.76 and 3,026.87 is: 4,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.18 : 7,430.76 = 3,026.87 : x
  2. Step 2: Convert to fraction form
    5,385.18/7,430.76 = 3,026.87/x
  3. Step 3: Cross multiply
    5,385.18x = 7,430.76 × 3,026.87
  4. Step 4: Simplify right side
    5,385.18x = 22,491,907.37
  5. Step 5: Solve for x
    x = 22,491,907.37/5,385.18
  6. Step 6: Final answer
    x = 4,176.63

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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.