Home / 5,270.40-7,907.76-2,346.72

Finding the Fourth Proportional to 5,270.40, 7,907.76 and 2,346.72

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Solution

The fourth proportional to 5,270.40, 7,907.76 and 2,346.72 is: 3,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.40 : 7,907.76 = 2,346.72 : x
  2. Step 2: Convert to fraction form
    5,270.40/7,907.76 = 2,346.72/x
  3. Step 3: Cross multiply
    5,270.40x = 7,907.76 × 2,346.72
  4. Step 4: Simplify right side
    5,270.40x = 18,557,298.55
  5. Step 5: Solve for x
    x = 18,557,298.55/5,270.40
  6. Step 6: Final answer
    x = 3,521.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.