Home / 6,870.41-10,298.69-2,708.80

Finding the Fourth Proportional to 6,870.41, 10,298.69 and 2,708.80

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Solution

The fourth proportional to 6,870.41, 10,298.69 and 2,708.80 is: 4,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.41 : 10,298.69 = 2,708.80 : x
  2. Step 2: Convert to fraction form
    6,870.41/10,298.69 = 2,708.80/x
  3. Step 3: Cross multiply
    6,870.41x = 10,298.69 × 2,708.80
  4. Step 4: Simplify right side
    6,870.41x = 27,897,091.47
  5. Step 5: Solve for x
    x = 27,897,091.47/6,870.41
  6. Step 6: Final answer
    x = 4,060.47

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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.