Home / 5,224.71-7,210.08-2,866.89

Finding the Fourth Proportional to 5,224.71, 7,210.08 and 2,866.89

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Solution

The fourth proportional to 5,224.71, 7,210.08 and 2,866.89 is: 3,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.71 : 7,210.08 = 2,866.89 : x
  2. Step 2: Convert to fraction form
    5,224.71/7,210.08 = 2,866.89/x
  3. Step 3: Cross multiply
    5,224.71x = 7,210.08 × 2,866.89
  4. Step 4: Simplify right side
    5,224.71x = 20,670,506.25
  5. Step 5: Solve for x
    x = 20,670,506.25/5,224.71
  6. Step 6: Final answer
    x = 3,956.30

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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.