Home / 6,281.25-9,421.88-2,585.49

Finding the Fourth Proportional to 6,281.25, 9,421.88 and 2,585.49

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Solution

The fourth proportional to 6,281.25, 9,421.88 and 2,585.49 is: 3,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.25 : 9,421.88 = 2,585.49 : x
  2. Step 2: Convert to fraction form
    6,281.25/9,421.88 = 2,585.49/x
  3. Step 3: Cross multiply
    6,281.25x = 9,421.88 × 2,585.49
  4. Step 4: Simplify right side
    6,281.25x = 24,360,163.59
  5. Step 5: Solve for x
    x = 24,360,163.59/6,281.25
  6. Step 6: Final answer
    x = 3,878.24

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Half scale
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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.