Home / 4,690.18-6,475.04-3,200.28

Finding the Fourth Proportional to 4,690.18, 6,475.04 and 3,200.28

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Solution

The fourth proportional to 4,690.18, 6,475.04 and 3,200.28 is: 4,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.18 : 6,475.04 = 3,200.28 : x
  2. Step 2: Convert to fraction form
    4,690.18/6,475.04 = 3,200.28/x
  3. Step 3: Cross multiply
    4,690.18x = 6,475.04 × 3,200.28
  4. Step 4: Simplify right side
    4,690.18x = 20,721,941.01
  5. Step 5: Solve for x
    x = 20,721,941.01/4,690.18
  6. Step 6: Final answer
    x = 4,418.15

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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.