Home / 5,308.20-7,325.28-2,950.40

Finding the Fourth Proportional to 5,308.20, 7,325.28 and 2,950.40

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Solution

The fourth proportional to 5,308.20, 7,325.28 and 2,950.40 is: 4,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.20 : 7,325.28 = 2,950.40 : x
  2. Step 2: Convert to fraction form
    5,308.20/7,325.28 = 2,950.40/x
  3. Step 3: Cross multiply
    5,308.20x = 7,325.28 × 2,950.40
  4. Step 4: Simplify right side
    5,308.20x = 21,612,506.11
  5. Step 5: Solve for x
    x = 21,612,506.11/5,308.20
  6. Step 6: Final answer
    x = 4,071.53

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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.