Home / 7,358.94-10,155.36-4,001.80

Finding the Fourth Proportional to 7,358.94, 10,155.36 and 4,001.80

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Solution

The fourth proportional to 7,358.94, 10,155.36 and 4,001.80 is: 5,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.94 : 10,155.36 = 4,001.80 : x
  2. Step 2: Convert to fraction form
    7,358.94/10,155.36 = 4,001.80/x
  3. Step 3: Cross multiply
    7,358.94x = 10,155.36 × 4,001.80
  4. Step 4: Simplify right side
    7,358.94x = 40,639,719.65
  5. Step 5: Solve for x
    x = 40,639,719.65/7,358.94
  6. Step 6: Final answer
    x = 5,522.50

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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.