Home / 6,502.28-8,970.95-4,145.78

Finding the Fourth Proportional to 6,502.28, 8,970.95 and 4,145.78

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Solution

The fourth proportional to 6,502.28, 8,970.95 and 4,145.78 is: 5,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.28 : 8,970.95 = 4,145.78 : x
  2. Step 2: Convert to fraction form
    6,502.28/8,970.95 = 4,145.78/x
  3. Step 3: Cross multiply
    6,502.28x = 8,970.95 × 4,145.78
  4. Step 4: Simplify right side
    6,502.28x = 37,191,617.88
  5. Step 5: Solve for x
    x = 37,191,617.88/6,502.28
  6. Step 6: Final answer
    x = 5,719.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.