Home / 5,225.64-7,210.10-2,986.84

Finding the Fourth Proportional to 5,225.64, 7,210.10 and 2,986.84

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Solution

The fourth proportional to 5,225.64, 7,210.10 and 2,986.84 is: 4,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.64 : 7,210.10 = 2,986.84 : x
  2. Step 2: Convert to fraction form
    5,225.64/7,210.10 = 2,986.84/x
  3. Step 3: Cross multiply
    5,225.64x = 7,210.10 × 2,986.84
  4. Step 4: Simplify right side
    5,225.64x = 21,535,415.08
  5. Step 5: Solve for x
    x = 21,535,415.08/5,225.64
  6. Step 6: Final answer
    x = 4,121.11

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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.