Home / 7,686.32-10,607.04-4,329.20

Finding the Fourth Proportional to 7,686.32, 10,607.04 and 4,329.20

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Solution

The fourth proportional to 7,686.32, 10,607.04 and 4,329.20 is: 5,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.32 : 10,607.04 = 4,329.20 : x
  2. Step 2: Convert to fraction form
    7,686.32/10,607.04 = 4,329.20/x
  3. Step 3: Cross multiply
    7,686.32x = 10,607.04 × 4,329.20
  4. Step 4: Simplify right side
    7,686.32x = 45,919,997.57
  5. Step 5: Solve for x
    x = 45,919,997.57/7,686.32
  6. Step 6: Final answer
    x = 5,974.25

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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.