Home / 4,435.60-6,645.40-2,585.20

Finding the Fourth Proportional to 4,435.60, 6,645.40 and 2,585.20

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Solution

The fourth proportional to 4,435.60, 6,645.40 and 2,585.20 is: 3,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.60 : 6,645.40 = 2,585.20 : x
  2. Step 2: Convert to fraction form
    4,435.60/6,645.40 = 2,585.20/x
  3. Step 3: Cross multiply
    4,435.60x = 6,645.40 × 2,585.20
  4. Step 4: Simplify right side
    4,435.60x = 17,179,688.08
  5. Step 5: Solve for x
    x = 17,179,688.08/4,435.60
  6. Step 6: Final answer
    x = 3,873.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.