Home / 9,316.78-12,862.47-6,177.22

Finding the Fourth Proportional to 9,316.78, 12,862.47 and 6,177.22

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Solution

The fourth proportional to 9,316.78, 12,862.47 and 6,177.22 is: 8,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.78 : 12,862.47 = 6,177.22 : x
  2. Step 2: Convert to fraction form
    9,316.78/12,862.47 = 6,177.22/x
  3. Step 3: Cross multiply
    9,316.78x = 12,862.47 × 6,177.22
  4. Step 4: Simplify right side
    9,316.78x = 79,454,306.93
  5. Step 5: Solve for x
    x = 79,454,306.93/9,316.78
  6. Step 6: Final answer
    x = 8,528.09

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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.