Home / 5,233.46-7,222.30-2,875.64

Finding the Fourth Proportional to 5,233.46, 7,222.30 and 2,875.64

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Solution

The fourth proportional to 5,233.46, 7,222.30 and 2,875.64 is: 3,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.46 : 7,222.30 = 2,875.64 : x
  2. Step 2: Convert to fraction form
    5,233.46/7,222.30 = 2,875.64/x
  3. Step 3: Cross multiply
    5,233.46x = 7,222.30 × 2,875.64
  4. Step 4: Simplify right side
    5,233.46x = 20,768,734.77
  5. Step 5: Solve for x
    x = 20,768,734.77/5,233.46
  6. Step 6: Final answer
    x = 3,968.45

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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.