Home / 7,409.28-10,223.80-4,760.28

Finding the Fourth Proportional to 7,409.28, 10,223.80 and 4,760.28

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Solution

The fourth proportional to 7,409.28, 10,223.80 and 4,760.28 is: 6,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.28 : 10,223.80 = 4,760.28 : x
  2. Step 2: Convert to fraction form
    7,409.28/10,223.80 = 4,760.28/x
  3. Step 3: Cross multiply
    7,409.28x = 10,223.80 × 4,760.28
  4. Step 4: Simplify right side
    7,409.28x = 48,668,150.66
  5. Step 5: Solve for x
    x = 48,668,150.66/7,409.28
  6. Step 6: Final answer
    x = 6,568.54

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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.