Home / 7,955.38-11,924.76-2,688.57

Finding the Fourth Proportional to 7,955.38, 11,924.76 and 2,688.57

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Solution

The fourth proportional to 7,955.38, 11,924.76 and 2,688.57 is: 4,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.38 : 11,924.76 = 2,688.57 : x
  2. Step 2: Convert to fraction form
    7,955.38/11,924.76 = 2,688.57/x
  3. Step 3: Cross multiply
    7,955.38x = 11,924.76 × 2,688.57
  4. Step 4: Simplify right side
    7,955.38x = 32,060,551.99
  5. Step 5: Solve for x
    x = 32,060,551.99/7,955.38
  6. Step 6: Final answer
    x = 4,030.05

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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.