Home / 4,650.32-6,985.18-3,921.32

Finding the Fourth Proportional to 4,650.32, 6,985.18 and 3,921.32

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Solution

The fourth proportional to 4,650.32, 6,985.18 and 3,921.32 is: 5,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.32 : 6,985.18 = 3,921.32 : x
  2. Step 2: Convert to fraction form
    4,650.32/6,985.18 = 3,921.32/x
  3. Step 3: Cross multiply
    4,650.32x = 6,985.18 × 3,921.32
  4. Step 4: Simplify right side
    4,650.32x = 27,391,126.04
  5. Step 5: Solve for x
    x = 27,391,126.04/4,650.32
  6. Step 6: Final answer
    x = 5,890.16

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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.