Home / 7,146.28-9,860.58-4,312.84

Finding the Fourth Proportional to 7,146.28, 9,860.58 and 4,312.84

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Solution

The fourth proportional to 7,146.28, 9,860.58 and 4,312.84 is: 5,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.28 : 9,860.58 = 4,312.84 : x
  2. Step 2: Convert to fraction form
    7,146.28/9,860.58 = 4,312.84/x
  3. Step 3: Cross multiply
    7,146.28x = 9,860.58 × 4,312.84
  4. Step 4: Simplify right side
    7,146.28x = 42,527,103.85
  5. Step 5: Solve for x
    x = 42,527,103.85/7,146.28
  6. Step 6: Final answer
    x = 5,950.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.