Home / 7,176.11-9,908.93-6,809.18

Finding the Fourth Proportional to 7,176.11, 9,908.93 and 6,809.18

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Solution

The fourth proportional to 7,176.11, 9,908.93 and 6,809.18 is: 9,402.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.11 : 9,908.93 = 6,809.18 : x
  2. Step 2: Convert to fraction form
    7,176.11/9,908.93 = 6,809.18/x
  3. Step 3: Cross multiply
    7,176.11x = 9,908.93 × 6,809.18
  4. Step 4: Simplify right side
    7,176.11x = 67,471,655.46
  5. Step 5: Solve for x
    x = 67,471,655.46/7,176.11
  6. Step 6: Final answer
    x = 9,402.27

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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.