Home / 9,521.17-14,278.41-2,855.68

Finding the Fourth Proportional to 9,521.17, 14,278.41 and 2,855.68

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Solution

The fourth proportional to 9,521.17, 14,278.41 and 2,855.68 is: 4,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.17 : 14,278.41 = 2,855.68 : x
  2. Step 2: Convert to fraction form
    9,521.17/14,278.41 = 2,855.68/x
  3. Step 3: Cross multiply
    9,521.17x = 14,278.41 × 2,855.68
  4. Step 4: Simplify right side
    9,521.17x = 40,774,569.87
  5. Step 5: Solve for x
    x = 40,774,569.87/9,521.17
  6. Step 6: Final answer
    x = 4,282.52

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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.