Home / 4,187.04-6,277.68-1,587.78

Finding the Fourth Proportional to 4,187.04, 6,277.68 and 1,587.78

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Solution

The fourth proportional to 4,187.04, 6,277.68 and 1,587.78 is: 2,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.04 : 6,277.68 = 1,587.78 : x
  2. Step 2: Convert to fraction form
    4,187.04/6,277.68 = 1,587.78/x
  3. Step 3: Cross multiply
    4,187.04x = 6,277.68 × 1,587.78
  4. Step 4: Simplify right side
    4,187.04x = 9,967,574.75
  5. Step 5: Solve for x
    x = 9,967,574.75/4,187.04
  6. Step 6: Final answer
    x = 2,380.58

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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.