Home / 6,637.95-9,156.56-4,149.63

Finding the Fourth Proportional to 6,637.95, 9,156.56 and 4,149.63

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Solution

The fourth proportional to 6,637.95, 9,156.56 and 4,149.63 is: 5,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.95 : 9,156.56 = 4,149.63 : x
  2. Step 2: Convert to fraction form
    6,637.95/9,156.56 = 4,149.63/x
  3. Step 3: Cross multiply
    6,637.95x = 9,156.56 × 4,149.63
  4. Step 4: Simplify right side
    6,637.95x = 37,996,336.07
  5. Step 5: Solve for x
    x = 37,996,336.07/6,637.95
  6. Step 6: Final answer
    x = 5,724.11

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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.