Home / 7,331.76-10,117.08-4,977

Finding the Fourth Proportional to 7,331.76, 10,117.08 and 4,977

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Solution

The fourth proportional to 7,331.76, 10,117.08 and 4,977 is: 6,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.76 : 10,117.08 = 4,977 : x
  2. Step 2: Convert to fraction form
    7,331.76/10,117.08 = 4,977/x
  3. Step 3: Cross multiply
    7,331.76x = 10,117.08 × 4,977
  4. Step 4: Simplify right side
    7,331.76x = 50,352,707.16
  5. Step 5: Solve for x
    x = 50,352,707.16/7,331.76
  6. Step 6: Final answer
    x = 6,867.75

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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.