Home / 5,820.90-8,030.70-3,726.24

Finding the Fourth Proportional to 5,820.90, 8,030.70 and 3,726.24

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Solution

The fourth proportional to 5,820.90, 8,030.70 and 3,726.24 is: 5,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.90 : 8,030.70 = 3,726.24 : x
  2. Step 2: Convert to fraction form
    5,820.90/8,030.70 = 3,726.24/x
  3. Step 3: Cross multiply
    5,820.90x = 8,030.70 × 3,726.24
  4. Step 4: Simplify right side
    5,820.90x = 29,924,315.57
  5. Step 5: Solve for x
    x = 29,924,315.57/5,820.90
  6. Step 6: Final answer
    x = 5,140.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.