Home / 9,145.65-13,717.08-2,904.84

Finding the Fourth Proportional to 9,145.65, 13,717.08 and 2,904.84

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Solution

The fourth proportional to 9,145.65, 13,717.08 and 2,904.84 is: 4,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.65 : 13,717.08 = 2,904.84 : x
  2. Step 2: Convert to fraction form
    9,145.65/13,717.08 = 2,904.84/x
  3. Step 3: Cross multiply
    9,145.65x = 13,717.08 × 2,904.84
  4. Step 4: Simplify right side
    9,145.65x = 39,845,922.67
  5. Step 5: Solve for x
    x = 39,845,922.67/9,145.65
  6. Step 6: Final answer
    x = 4,356.82

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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.