Home / 5,920.23-8,144.76-5,756.20

Finding the Fourth Proportional to 5,920.23, 8,144.76 and 5,756.20

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Solution

The fourth proportional to 5,920.23, 8,144.76 and 5,756.20 is: 7,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.23 : 8,144.76 = 5,756.20 : x
  2. Step 2: Convert to fraction form
    5,920.23/8,144.76 = 5,756.20/x
  3. Step 3: Cross multiply
    5,920.23x = 8,144.76 × 5,756.20
  4. Step 4: Simplify right side
    5,920.23x = 46,882,867.51
  5. Step 5: Solve for x
    x = 46,882,867.51/5,920.23
  6. Step 6: Final answer
    x = 7,919.10

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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.