Home / 5,019.84-6,930.80-3,132.16

Finding the Fourth Proportional to 5,019.84, 6,930.80 and 3,132.16

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Solution

The fourth proportional to 5,019.84, 6,930.80 and 3,132.16 is: 4,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.84 : 6,930.80 = 3,132.16 : x
  2. Step 2: Convert to fraction form
    5,019.84/6,930.80 = 3,132.16/x
  3. Step 3: Cross multiply
    5,019.84x = 6,930.80 × 3,132.16
  4. Step 4: Simplify right side
    5,019.84x = 21,708,374.53
  5. Step 5: Solve for x
    x = 21,708,374.53/5,019.84
  6. Step 6: Final answer
    x = 4,324.52

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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.