Home / 9,288.09-12,818.45-5,308.45

Finding the Fourth Proportional to 9,288.09, 12,818.45 and 5,308.45

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Solution

The fourth proportional to 9,288.09, 12,818.45 and 5,308.45 is: 7,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.09 : 12,818.45 = 5,308.45 : x
  2. Step 2: Convert to fraction form
    9,288.09/12,818.45 = 5,308.45/x
  3. Step 3: Cross multiply
    9,288.09x = 12,818.45 × 5,308.45
  4. Step 4: Simplify right side
    9,288.09x = 68,046,082.13
  5. Step 5: Solve for x
    x = 68,046,082.13/9,288.09
  6. Step 6: Final answer
    x = 7,326.17

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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.