Home / 4,025.40-5,557.65-3,281.15

Finding the Fourth Proportional to 4,025.40, 5,557.65 and 3,281.15

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Solution

The fourth proportional to 4,025.40, 5,557.65 and 3,281.15 is: 4,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.40 : 5,557.65 = 3,281.15 : x
  2. Step 2: Convert to fraction form
    4,025.40/5,557.65 = 3,281.15/x
  3. Step 3: Cross multiply
    4,025.40x = 5,557.65 × 3,281.15
  4. Step 4: Simplify right side
    4,025.40x = 18,235,455.51
  5. Step 5: Solve for x
    x = 18,235,455.51/4,025.40
  6. Step 6: Final answer
    x = 4,530.10

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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.