Home / 7,242.56-10,866.72-2,312.96

Finding the Fourth Proportional to 7,242.56, 10,866.72 and 2,312.96

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Solution

The fourth proportional to 7,242.56, 10,866.72 and 2,312.96 is: 3,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.56 : 10,866.72 = 2,312.96 : x
  2. Step 2: Convert to fraction form
    7,242.56/10,866.72 = 2,312.96/x
  3. Step 3: Cross multiply
    7,242.56x = 10,866.72 × 2,312.96
  4. Step 4: Simplify right side
    7,242.56x = 25,134,288.69
  5. Step 5: Solve for x
    x = 25,134,288.69/7,242.56
  6. Step 6: Final answer
    x = 3,470.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.