Home / 7,159.39-10,735.44-2,478.90

Finding the Fourth Proportional to 7,159.39, 10,735.44 and 2,478.90

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Solution

The fourth proportional to 7,159.39, 10,735.44 and 2,478.90 is: 3,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.39 : 10,735.44 = 2,478.90 : x
  2. Step 2: Convert to fraction form
    7,159.39/10,735.44 = 2,478.90/x
  3. Step 3: Cross multiply
    7,159.39x = 10,735.44 × 2,478.90
  4. Step 4: Simplify right side
    7,159.39x = 26,612,113.18
  5. Step 5: Solve for x
    x = 26,612,113.18/7,159.39
  6. Step 6: Final answer
    x = 3,717.09

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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.