Home / 5,726.07-8,589.51-1,830.78

Finding the Fourth Proportional to 5,726.07, 8,589.51 and 1,830.78

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Solution

The fourth proportional to 5,726.07, 8,589.51 and 1,830.78 is: 2,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.07 : 8,589.51 = 1,830.78 : x
  2. Step 2: Convert to fraction form
    5,726.07/8,589.51 = 1,830.78/x
  3. Step 3: Cross multiply
    5,726.07x = 8,589.51 × 1,830.78
  4. Step 4: Simplify right side
    5,726.07x = 15,725,503.12
  5. Step 5: Solve for x
    x = 15,725,503.12/5,726.07
  6. Step 6: Final answer
    x = 2,746.30

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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.