Home / 5,616.32-8,424.45-3,119.04

Finding the Fourth Proportional to 5,616.32, 8,424.45 and 3,119.04

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Solution

The fourth proportional to 5,616.32, 8,424.45 and 3,119.04 is: 4,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.32 : 8,424.45 = 3,119.04 : x
  2. Step 2: Convert to fraction form
    5,616.32/8,424.45 = 3,119.04/x
  3. Step 3: Cross multiply
    5,616.32x = 8,424.45 × 3,119.04
  4. Step 4: Simplify right side
    5,616.32x = 26,276,196.53
  5. Step 5: Solve for x
    x = 26,276,196.53/5,616.32
  6. Step 6: Final answer
    x = 4,678.55

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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.