Home / 6,281.07-9,421.68-1,898.57

Finding the Fourth Proportional to 6,281.07, 9,421.68 and 1,898.57

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Solution

The fourth proportional to 6,281.07, 9,421.68 and 1,898.57 is: 2,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.07 : 9,421.68 = 1,898.57 : x
  2. Step 2: Convert to fraction form
    6,281.07/9,421.68 = 1,898.57/x
  3. Step 3: Cross multiply
    6,281.07x = 9,421.68 × 1,898.57
  4. Step 4: Simplify right side
    6,281.07x = 17,887,671.89
  5. Step 5: Solve for x
    x = 17,887,671.89/6,281.07
  6. Step 6: Final answer
    x = 2,847.87

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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.