Home / 3,810.55-5,260.47-3,607.06

Finding the Fourth Proportional to 3,810.55, 5,260.47 and 3,607.06

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Solution

The fourth proportional to 3,810.55, 5,260.47 and 3,607.06 is: 4,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.55 : 5,260.47 = 3,607.06 : x
  2. Step 2: Convert to fraction form
    3,810.55/5,260.47 = 3,607.06/x
  3. Step 3: Cross multiply
    3,810.55x = 5,260.47 × 3,607.06
  4. Step 4: Simplify right side
    3,810.55x = 18,974,830.92
  5. Step 5: Solve for x
    x = 18,974,830.92/3,810.55
  6. Step 6: Final answer
    x = 4,979.55

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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.