Home / 7,298.92-10,072.56-4,155.11

Finding the Fourth Proportional to 7,298.92, 10,072.56 and 4,155.11

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Solution

The fourth proportional to 7,298.92, 10,072.56 and 4,155.11 is: 5,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.92 : 10,072.56 = 4,155.11 : x
  2. Step 2: Convert to fraction form
    7,298.92/10,072.56 = 4,155.11/x
  3. Step 3: Cross multiply
    7,298.92x = 10,072.56 × 4,155.11
  4. Step 4: Simplify right side
    7,298.92x = 41,852,594.78
  5. Step 5: Solve for x
    x = 41,852,594.78/7,298.92
  6. Step 6: Final answer
    x = 5,734.08

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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.