Home / 5,726.71-8,590.40-1,830.81

Finding the Fourth Proportional to 5,726.71, 8,590.40 and 1,830.81

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Solution

The fourth proportional to 5,726.71, 8,590.40 and 1,830.81 is: 2,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.71 : 8,590.40 = 1,830.81 : x
  2. Step 2: Convert to fraction form
    5,726.71/8,590.40 = 1,830.81/x
  3. Step 3: Cross multiply
    5,726.71x = 8,590.40 × 1,830.81
  4. Step 4: Simplify right side
    5,726.71x = 15,727,390.22
  5. Step 5: Solve for x
    x = 15,727,390.22/5,726.71
  6. Step 6: Final answer
    x = 2,746.32

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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.