Home / 5,319.47-7,979.18-2,394.35

Finding the Fourth Proportional to 5,319.47, 7,979.18 and 2,394.35

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Solution

The fourth proportional to 5,319.47, 7,979.18 and 2,394.35 is: 3,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.47 : 7,979.18 = 2,394.35 : x
  2. Step 2: Convert to fraction form
    5,319.47/7,979.18 = 2,394.35/x
  3. Step 3: Cross multiply
    5,319.47x = 7,979.18 × 2,394.35
  4. Step 4: Simplify right side
    5,319.47x = 19,104,897.77
  5. Step 5: Solve for x
    x = 19,104,897.77/5,319.47
  6. Step 6: Final answer
    x = 3,591.51

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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.