Home / 7,535.70-10,399.36-4,178.55

Finding the Fourth Proportional to 7,535.70, 10,399.36 and 4,178.55

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Solution

The fourth proportional to 7,535.70, 10,399.36 and 4,178.55 is: 5,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.70 : 10,399.36 = 4,178.55 : x
  2. Step 2: Convert to fraction form
    7,535.70/10,399.36 = 4,178.55/x
  3. Step 3: Cross multiply
    7,535.70x = 10,399.36 × 4,178.55
  4. Step 4: Simplify right side
    7,535.70x = 43,454,256.06
  5. Step 5: Solve for x
    x = 43,454,256.06/7,535.70
  6. Step 6: Final answer
    x = 5,766.45

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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.