Home / 4,485.81-6,190.11-2,807.13

Finding the Fourth Proportional to 4,485.81, 6,190.11 and 2,807.13

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Solution

The fourth proportional to 4,485.81, 6,190.11 and 2,807.13 is: 3,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.81 : 6,190.11 = 2,807.13 : x
  2. Step 2: Convert to fraction form
    4,485.81/6,190.11 = 2,807.13/x
  3. Step 3: Cross multiply
    4,485.81x = 6,190.11 × 2,807.13
  4. Step 4: Simplify right side
    4,485.81x = 17,376,443.48
  5. Step 5: Solve for x
    x = 17,376,443.48/4,485.81
  6. Step 6: Final answer
    x = 3,873.65

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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.