Home / 6,281.47-9,422.81-1,898.16

Finding the Fourth Proportional to 6,281.47, 9,422.81 and 1,898.16

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Solution

The fourth proportional to 6,281.47, 9,422.81 and 1,898.16 is: 2,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.47 : 9,422.81 = 1,898.16 : x
  2. Step 2: Convert to fraction form
    6,281.47/9,422.81 = 1,898.16/x
  3. Step 3: Cross multiply
    6,281.47x = 9,422.81 × 1,898.16
  4. Step 4: Simplify right side
    6,281.47x = 17,886,001.03
  5. Step 5: Solve for x
    x = 17,886,001.03/6,281.47
  6. Step 6: Final answer
    x = 2,847.42

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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.