Home / 5,384.18-7,430.46-3,026.90

Finding the Fourth Proportional to 5,384.18, 7,430.46 and 3,026.90

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Solution

The fourth proportional to 5,384.18, 7,430.46 and 3,026.90 is: 4,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.18 : 7,430.46 = 3,026.90 : x
  2. Step 2: Convert to fraction form
    5,384.18/7,430.46 = 3,026.90/x
  3. Step 3: Cross multiply
    5,384.18x = 7,430.46 × 3,026.90
  4. Step 4: Simplify right side
    5,384.18x = 22,491,259.37
  5. Step 5: Solve for x
    x = 22,491,259.37/5,384.18
  6. Step 6: Final answer
    x = 4,177.29

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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.