Home / 7,077.80-10,616.40-2,397.62

Finding the Fourth Proportional to 7,077.80, 10,616.40 and 2,397.62

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Solution

The fourth proportional to 7,077.80, 10,616.40 and 2,397.62 is: 3,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.80 : 10,616.40 = 2,397.62 : x
  2. Step 2: Convert to fraction form
    7,077.80/10,616.40 = 2,397.62/x
  3. Step 3: Cross multiply
    7,077.80x = 10,616.40 × 2,397.62
  4. Step 4: Simplify right side
    7,077.80x = 25,454,119.51
  5. Step 5: Solve for x
    x = 25,454,119.51/7,077.80
  6. Step 6: Final answer
    x = 3,596.33

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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.