Home / 7,126.84-10,690.08-1,932.58

Finding the Fourth Proportional to 7,126.84, 10,690.08 and 1,932.58

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Solution

The fourth proportional to 7,126.84, 10,690.08 and 1,932.58 is: 2,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.84 : 10,690.08 = 1,932.58 : x
  2. Step 2: Convert to fraction form
    7,126.84/10,690.08 = 1,932.58/x
  3. Step 3: Cross multiply
    7,126.84x = 10,690.08 × 1,932.58
  4. Step 4: Simplify right side
    7,126.84x = 20,659,434.81
  5. Step 5: Solve for x
    x = 20,659,434.81/7,126.84
  6. Step 6: Final answer
    x = 2,898.82

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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.