Home / 5,308.89-7,328.30-3,539.85

Finding the Fourth Proportional to 5,308.89, 7,328.30 and 3,539.85

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Solution

The fourth proportional to 5,308.89, 7,328.30 and 3,539.85 is: 4,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.89 : 7,328.30 = 3,539.85 : x
  2. Step 2: Convert to fraction form
    5,308.89/7,328.30 = 3,539.85/x
  3. Step 3: Cross multiply
    5,308.89x = 7,328.30 × 3,539.85
  4. Step 4: Simplify right side
    5,308.89x = 25,941,082.76
  5. Step 5: Solve for x
    x = 25,941,082.76/5,308.89
  6. Step 6: Final answer
    x = 4,886.35

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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.