Home / 7,045.92-10,569.36-2,115.36

Finding the Fourth Proportional to 7,045.92, 10,569.36 and 2,115.36

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Solution

The fourth proportional to 7,045.92, 10,569.36 and 2,115.36 is: 3,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.92 : 10,569.36 = 2,115.36 : x
  2. Step 2: Convert to fraction form
    7,045.92/10,569.36 = 2,115.36/x
  3. Step 3: Cross multiply
    7,045.92x = 10,569.36 × 2,115.36
  4. Step 4: Simplify right side
    7,045.92x = 22,358,001.37
  5. Step 5: Solve for x
    x = 22,358,001.37/7,045.92
  6. Step 6: Final answer
    x = 3,173.18

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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.