Home / 4,695.32-6,478.08-3,123.68

Finding the Fourth Proportional to 4,695.32, 6,478.08 and 3,123.68

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Solution

The fourth proportional to 4,695.32, 6,478.08 and 3,123.68 is: 4,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.32 : 6,478.08 = 3,123.68 : x
  2. Step 2: Convert to fraction form
    4,695.32/6,478.08 = 3,123.68/x
  3. Step 3: Cross multiply
    4,695.32x = 6,478.08 × 3,123.68
  4. Step 4: Simplify right side
    4,695.32x = 20,235,448.93
  5. Step 5: Solve for x
    x = 20,235,448.93/4,695.32
  6. Step 6: Final answer
    x = 4,309.71

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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.