Home / 6,867.28-10,302.72-2,970.76

Finding the Fourth Proportional to 6,867.28, 10,302.72 and 2,970.76

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Solution

The fourth proportional to 6,867.28, 10,302.72 and 2,970.76 is: 4,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.28 : 10,302.72 = 2,970.76 : x
  2. Step 2: Convert to fraction form
    6,867.28/10,302.72 = 2,970.76/x
  3. Step 3: Cross multiply
    6,867.28x = 10,302.72 × 2,970.76
  4. Step 4: Simplify right side
    6,867.28x = 30,606,908.47
  5. Step 5: Solve for x
    x = 30,606,908.47/6,867.28
  6. Step 6: Final answer
    x = 4,456.92

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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.