Home / 7,358.95-10,155.46-4,001.90

Finding the Fourth Proportional to 7,358.95, 10,155.46 and 4,001.90

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Solution

The fourth proportional to 7,358.95, 10,155.46 and 4,001.90 is: 5,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.95 : 10,155.46 = 4,001.90 : x
  2. Step 2: Convert to fraction form
    7,358.95/10,155.46 = 4,001.90/x
  3. Step 3: Cross multiply
    7,358.95x = 10,155.46 × 4,001.90
  4. Step 4: Simplify right side
    7,358.95x = 40,641,135.37
  5. Step 5: Solve for x
    x = 40,641,135.37/7,358.95
  6. Step 6: Final answer
    x = 5,522.69

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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.