Home / 7,358.87-10,155.11-4,001.63

Finding the Fourth Proportional to 7,358.87, 10,155.11 and 4,001.63

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Solution

The fourth proportional to 7,358.87, 10,155.11 and 4,001.63 is: 5,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.87 : 10,155.11 = 4,001.63 : x
  2. Step 2: Convert to fraction form
    7,358.87/10,155.11 = 4,001.63/x
  3. Step 3: Cross multiply
    7,358.87x = 10,155.11 × 4,001.63
  4. Step 4: Simplify right side
    7,358.87x = 40,636,922.05
  5. Step 5: Solve for x
    x = 40,636,922.05/7,358.87
  6. Step 6: Final answer
    x = 5,522.17

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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.