Home / 5,041.28-7,561.90-1,343.50

Finding the Fourth Proportional to 5,041.28, 7,561.90 and 1,343.50

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Solution

The fourth proportional to 5,041.28, 7,561.90 and 1,343.50 is: 2,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.28 : 7,561.90 = 1,343.50 : x
  2. Step 2: Convert to fraction form
    5,041.28/7,561.90 = 1,343.50/x
  3. Step 3: Cross multiply
    5,041.28x = 7,561.90 × 1,343.50
  4. Step 4: Simplify right side
    5,041.28x = 10,159,412.65
  5. Step 5: Solve for x
    x = 10,159,412.65/5,041.28
  6. Step 6: Final answer
    x = 2,015.24

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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.