Home / 4,632.08-6,386.90-3,140.96

Finding the Fourth Proportional to 4,632.08, 6,386.90 and 3,140.96

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Solution

The fourth proportional to 4,632.08, 6,386.90 and 3,140.96 is: 4,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,632.08 : 6,386.90 = 3,140.96 : x
  2. Step 2: Convert to fraction form
    4,632.08/6,386.90 = 3,140.96/x
  3. Step 3: Cross multiply
    4,632.08x = 6,386.90 × 3,140.96
  4. Step 4: Simplify right side
    4,632.08x = 20,060,949.78
  5. Step 5: Solve for x
    x = 20,060,949.78/4,632.08
  6. Step 6: Final answer
    x = 4,330.88

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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.