Home / 5,373-7,415.15-2,983.50

Finding the Fourth Proportional to 5,373, 7,415.15 and 2,983.50

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Solution

The fourth proportional to 5,373, 7,415.15 and 2,983.50 is: 4,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373 : 7,415.15 = 2,983.50 : x
  2. Step 2: Convert to fraction form
    5,373/7,415.15 = 2,983.50/x
  3. Step 3: Cross multiply
    5,373x = 7,415.15 × 2,983.50
  4. Step 4: Simplify right side
    5,373x = 22,123,085.11
  5. Step 5: Solve for x
    x = 22,123,085.11/5,373
  6. Step 6: Final answer
    x = 4,117.45

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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.