Home / 5,349.30-7,384.95-3,225.21

Finding the Fourth Proportional to 5,349.30, 7,384.95 and 3,225.21

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Solution

The fourth proportional to 5,349.30, 7,384.95 and 3,225.21 is: 4,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.30 : 7,384.95 = 3,225.21 : x
  2. Step 2: Convert to fraction form
    5,349.30/7,384.95 = 3,225.21/x
  3. Step 3: Cross multiply
    5,349.30x = 7,384.95 × 3,225.21
  4. Step 4: Simplify right side
    5,349.30x = 23,818,014.59
  5. Step 5: Solve for x
    x = 23,818,014.59/5,349.30
  6. Step 6: Final answer
    x = 4,452.55

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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.