Home / 7,747.19-10,691.04-4,210.41

Finding the Fourth Proportional to 7,747.19, 10,691.04 and 4,210.41

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Solution

The fourth proportional to 7,747.19, 10,691.04 and 4,210.41 is: 5,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.19 : 10,691.04 = 4,210.41 : x
  2. Step 2: Convert to fraction form
    7,747.19/10,691.04 = 4,210.41/x
  3. Step 3: Cross multiply
    7,747.19x = 10,691.04 × 4,210.41
  4. Step 4: Simplify right side
    7,747.19x = 45,013,661.73
  5. Step 5: Solve for x
    x = 45,013,661.73/7,747.19
  6. Step 6: Final answer
    x = 5,810.32

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Double scale
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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.