Home / 3,060.07-4,589.95-868.51

Finding the Fourth Proportional to 3,060.07, 4,589.95 and 868.51

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Solution

The fourth proportional to 3,060.07, 4,589.95 and 868.51 is: 1,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.07 : 4,589.95 = 868.51 : x
  2. Step 2: Convert to fraction form
    3,060.07/4,589.95 = 868.51/x
  3. Step 3: Cross multiply
    3,060.07x = 4,589.95 × 868.51
  4. Step 4: Simplify right side
    3,060.07x = 3,986,417.47
  5. Step 5: Solve for x
    x = 3,986,417.47/3,060.07
  6. Step 6: Final answer
    x = 1,302.72

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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.