Home / 7,057.40-10,587.52-2,126.84

Finding the Fourth Proportional to 7,057.40, 10,587.52 and 2,126.84

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Solution

The fourth proportional to 7,057.40, 10,587.52 and 2,126.84 is: 3,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.40 : 10,587.52 = 2,126.84 : x
  2. Step 2: Convert to fraction form
    7,057.40/10,587.52 = 2,126.84/x
  3. Step 3: Cross multiply
    7,057.40x = 10,587.52 × 2,126.84
  4. Step 4: Simplify right side
    7,057.40x = 22,517,961.04
  5. Step 5: Solve for x
    x = 22,517,961.04/7,057.40
  6. Step 6: Final answer
    x = 3,190.69

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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.