Home / 7,147.60-9,853.16-5,016.68

Finding the Fourth Proportional to 7,147.60, 9,853.16 and 5,016.68

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Solution

The fourth proportional to 7,147.60, 9,853.16 and 5,016.68 is: 6,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.60 : 9,853.16 = 5,016.68 : x
  2. Step 2: Convert to fraction form
    7,147.60/9,853.16 = 5,016.68/x
  3. Step 3: Cross multiply
    7,147.60x = 9,853.16 × 5,016.68
  4. Step 4: Simplify right side
    7,147.60x = 49,430,150.71
  5. Step 5: Solve for x
    x = 49,430,150.71/7,147.60
  6. Step 6: Final answer
    x = 6,915.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.