Home / 7,159.47-10,734.79-2,478.39

Finding the Fourth Proportional to 7,159.47, 10,734.79 and 2,478.39

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Solution

The fourth proportional to 7,159.47, 10,734.79 and 2,478.39 is: 3,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.47 : 10,734.79 = 2,478.39 : x
  2. Step 2: Convert to fraction form
    7,159.47/10,734.79 = 2,478.39/x
  3. Step 3: Cross multiply
    7,159.47x = 10,734.79 × 2,478.39
  4. Step 4: Simplify right side
    7,159.47x = 26,604,996.19
  5. Step 5: Solve for x
    x = 26,604,996.19/7,159.47
  6. Step 6: Final answer
    x = 3,716.06

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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.