Home / 9,320.95-13,977.32-4,937.38

Finding the Fourth Proportional to 9,320.95, 13,977.32 and 4,937.38

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Solution

The fourth proportional to 9,320.95, 13,977.32 and 4,937.38 is: 7,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.95 : 13,977.32 = 4,937.38 : x
  2. Step 2: Convert to fraction form
    9,320.95/13,977.32 = 4,937.38/x
  3. Step 3: Cross multiply
    9,320.95x = 13,977.32 × 4,937.38
  4. Step 4: Simplify right side
    9,320.95x = 69,011,340.22
  5. Step 5: Solve for x
    x = 69,011,340.22/9,320.95
  6. Step 6: Final answer
    x = 7,403.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.