Home / 8,980.68-13,471.80-2,740.56

Finding the Fourth Proportional to 8,980.68, 13,471.80 and 2,740.56

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Solution

The fourth proportional to 8,980.68, 13,471.80 and 2,740.56 is: 4,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.68 : 13,471.80 = 2,740.56 : x
  2. Step 2: Convert to fraction form
    8,980.68/13,471.80 = 2,740.56/x
  3. Step 3: Cross multiply
    8,980.68x = 13,471.80 × 2,740.56
  4. Step 4: Simplify right side
    8,980.68x = 36,920,276.21
  5. Step 5: Solve for x
    x = 36,920,276.21/8,980.68
  6. Step 6: Final answer
    x = 4,111.08

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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.