Home / 5,335.61-7,362.90-2,977.70

Finding the Fourth Proportional to 5,335.61, 7,362.90 and 2,977.70

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Solution

The fourth proportional to 5,335.61, 7,362.90 and 2,977.70 is: 4,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.61 : 7,362.90 = 2,977.70 : x
  2. Step 2: Convert to fraction form
    5,335.61/7,362.90 = 2,977.70/x
  3. Step 3: Cross multiply
    5,335.61x = 7,362.90 × 2,977.70
  4. Step 4: Simplify right side
    5,335.61x = 21,924,470.52
  5. Step 5: Solve for x
    x = 21,924,470.52/5,335.61
  6. Step 6: Final answer
    x = 4,109.09

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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.