Home / 4,210.55-5,807.14-3,705.32

Finding the Fourth Proportional to 4,210.55, 5,807.14 and 3,705.32

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Solution

The fourth proportional to 4,210.55, 5,807.14 and 3,705.32 is: 5,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.55 : 5,807.14 = 3,705.32 : x
  2. Step 2: Convert to fraction form
    4,210.55/5,807.14 = 3,705.32/x
  3. Step 3: Cross multiply
    4,210.55x = 5,807.14 × 3,705.32
  4. Step 4: Simplify right side
    4,210.55x = 21,517,273.69
  5. Step 5: Solve for x
    x = 21,517,273.69/4,210.55
  6. Step 6: Final answer
    x = 5,110.32

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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.