Home / 5,343.12-8,009.28-2,417.76

Finding the Fourth Proportional to 5,343.12, 8,009.28 and 2,417.76

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Solution

The fourth proportional to 5,343.12, 8,009.28 and 2,417.76 is: 3,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.12 : 8,009.28 = 2,417.76 : x
  2. Step 2: Convert to fraction form
    5,343.12/8,009.28 = 2,417.76/x
  3. Step 3: Cross multiply
    5,343.12x = 8,009.28 × 2,417.76
  4. Step 4: Simplify right side
    5,343.12x = 19,364,516.81
  5. Step 5: Solve for x
    x = 19,364,516.81/5,343.12
  6. Step 6: Final answer
    x = 3,624.20

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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.