Home / 7,945.05-11,916.05-2,397.11

Finding the Fourth Proportional to 7,945.05, 11,916.05 and 2,397.11

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Solution

The fourth proportional to 7,945.05, 11,916.05 and 2,397.11 is: 3,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.05 : 11,916.05 = 2,397.11 : x
  2. Step 2: Convert to fraction form
    7,945.05/11,916.05 = 2,397.11/x
  3. Step 3: Cross multiply
    7,945.05x = 11,916.05 × 2,397.11
  4. Step 4: Simplify right side
    7,945.05x = 28,564,011.05
  5. Step 5: Solve for x
    x = 28,564,011.05/7,945.05
  6. Step 6: Final answer
    x = 3,595.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.