Home / 9,304.68-12,840.40-5,055.70

Finding the Fourth Proportional to 9,304.68, 12,840.40 and 5,055.70

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Solution

The fourth proportional to 9,304.68, 12,840.40 and 5,055.70 is: 6,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.68 : 12,840.40 = 5,055.70 : x
  2. Step 2: Convert to fraction form
    9,304.68/12,840.40 = 5,055.70/x
  3. Step 3: Cross multiply
    9,304.68x = 12,840.40 × 5,055.70
  4. Step 4: Simplify right side
    9,304.68x = 64,917,210.28
  5. Step 5: Solve for x
    x = 64,917,210.28/9,304.68
  6. Step 6: Final answer
    x = 6,976.83

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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.