Home / 9,279.83-12,806.19-5,030.90

Finding the Fourth Proportional to 9,279.83, 12,806.19 and 5,030.90

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Solution

The fourth proportional to 9,279.83, 12,806.19 and 5,030.90 is: 6,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.83 : 12,806.19 = 5,030.90 : x
  2. Step 2: Convert to fraction form
    9,279.83/12,806.19 = 5,030.90/x
  3. Step 3: Cross multiply
    9,279.83x = 12,806.19 × 5,030.90
  4. Step 4: Simplify right side
    9,279.83x = 64,426,661.27
  5. Step 5: Solve for x
    x = 64,426,661.27/9,279.83
  6. Step 6: Final answer
    x = 6,942.66

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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.