Home / 6,875.28-10,313.28-4,103.28

Finding the Fourth Proportional to 6,875.28, 10,313.28 and 4,103.28

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Solution

The fourth proportional to 6,875.28, 10,313.28 and 4,103.28 is: 6,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.28 : 10,313.28 = 4,103.28 : x
  2. Step 2: Convert to fraction form
    6,875.28/10,313.28 = 4,103.28/x
  3. Step 3: Cross multiply
    6,875.28x = 10,313.28 × 4,103.28
  4. Step 4: Simplify right side
    6,875.28x = 42,318,275.56
  5. Step 5: Solve for x
    x = 42,318,275.56/6,875.28
  6. Step 6: Final answer
    x = 6,155.13

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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.