Home / 5,364.45-7,403.45-3,126.15

Finding the Fourth Proportional to 5,364.45, 7,403.45 and 3,126.15

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Solution

The fourth proportional to 5,364.45, 7,403.45 and 3,126.15 is: 4,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.45 : 7,403.45 = 3,126.15 : x
  2. Step 2: Convert to fraction form
    5,364.45/7,403.45 = 3,126.15/x
  3. Step 3: Cross multiply
    5,364.45x = 7,403.45 × 3,126.15
  4. Step 4: Simplify right side
    5,364.45x = 23,144,279.59
  5. Step 5: Solve for x
    x = 23,144,279.59/5,364.45
  6. Step 6: Final answer
    x = 4,314.38

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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.