Home / 4,209.08-5,807.74-2,639.32

Finding the Fourth Proportional to 4,209.08, 5,807.74 and 2,639.32

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Solution

The fourth proportional to 4,209.08, 5,807.74 and 2,639.32 is: 3,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.08 : 5,807.74 = 2,639.32 : x
  2. Step 2: Convert to fraction form
    4,209.08/5,807.74 = 2,639.32/x
  3. Step 3: Cross multiply
    4,209.08x = 5,807.74 × 2,639.32
  4. Step 4: Simplify right side
    4,209.08x = 15,328,484.34
  5. Step 5: Solve for x
    x = 15,328,484.34/4,209.08
  6. Step 6: Final answer
    x = 3,641.77

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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.