Home / 6,715.28-10,077.40-2,559.12

Finding the Fourth Proportional to 6,715.28, 10,077.40 and 2,559.12

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Solution

The fourth proportional to 6,715.28, 10,077.40 and 2,559.12 is: 3,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.28 : 10,077.40 = 2,559.12 : x
  2. Step 2: Convert to fraction form
    6,715.28/10,077.40 = 2,559.12/x
  3. Step 3: Cross multiply
    6,715.28x = 10,077.40 × 2,559.12
  4. Step 4: Simplify right side
    6,715.28x = 25,789,275.89
  5. Step 5: Solve for x
    x = 25,789,275.89/6,715.28
  6. Step 6: Final answer
    x = 3,840.39

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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.