Home / 7,303.60-10,956.02-3,143.72

Finding the Fourth Proportional to 7,303.60, 10,956.02 and 3,143.72

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Solution

The fourth proportional to 7,303.60, 10,956.02 and 3,143.72 is: 4,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.60 : 10,956.02 = 3,143.72 : x
  2. Step 2: Convert to fraction form
    7,303.60/10,956.02 = 3,143.72/x
  3. Step 3: Cross multiply
    7,303.60x = 10,956.02 × 3,143.72
  4. Step 4: Simplify right side
    7,303.60x = 34,442,659.19
  5. Step 5: Solve for x
    x = 34,442,659.19/7,303.60
  6. Step 6: Final answer
    x = 4,715.85

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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.