Home / 5,225.06-7,210.70-2,867.20

Finding the Fourth Proportional to 5,225.06, 7,210.70 and 2,867.20

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Solution

The fourth proportional to 5,225.06, 7,210.70 and 2,867.20 is: 3,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.06 : 7,210.70 = 2,867.20 : x
  2. Step 2: Convert to fraction form
    5,225.06/7,210.70 = 2,867.20/x
  3. Step 3: Cross multiply
    5,225.06x = 7,210.70 × 2,867.20
  4. Step 4: Simplify right side
    5,225.06x = 20,674,519.04
  5. Step 5: Solve for x
    x = 20,674,519.04/5,225.06
  6. Step 6: Final answer
    x = 3,956.80

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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.