Home / 6,281.25-9,421.65-1,898.59

Finding the Fourth Proportional to 6,281.25, 9,421.65 and 1,898.59

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Solution

The fourth proportional to 6,281.25, 9,421.65 and 1,898.59 is: 2,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.25 : 9,421.65 = 1,898.59 : x
  2. Step 2: Convert to fraction form
    6,281.25/9,421.65 = 1,898.59/x
  3. Step 3: Cross multiply
    6,281.25x = 9,421.65 × 1,898.59
  4. Step 4: Simplify right side
    6,281.25x = 17,887,850.47
  5. Step 5: Solve for x
    x = 17,887,850.47/6,281.25
  6. Step 6: Final answer
    x = 2,847.82

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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.