Home / 5,364.50-7,402.70-3,126.74

Finding the Fourth Proportional to 5,364.50, 7,402.70 and 3,126.74

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Solution

The fourth proportional to 5,364.50, 7,402.70 and 3,126.74 is: 4,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.50 : 7,402.70 = 3,126.74 : x
  2. Step 2: Convert to fraction form
    5,364.50/7,402.70 = 3,126.74/x
  3. Step 3: Cross multiply
    5,364.50x = 7,402.70 × 3,126.74
  4. Step 4: Simplify right side
    5,364.50x = 23,146,318.20
  5. Step 5: Solve for x
    x = 23,146,318.20/5,364.50
  6. Step 6: Final answer
    x = 4,314.72

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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.