Home / 8,151.40-11,248.98-4,794.36

Finding the Fourth Proportional to 8,151.40, 11,248.98 and 4,794.36

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Solution

The fourth proportional to 8,151.40, 11,248.98 and 4,794.36 is: 6,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.40 : 11,248.98 = 4,794.36 : x
  2. Step 2: Convert to fraction form
    8,151.40/11,248.98 = 4,794.36/x
  3. Step 3: Cross multiply
    8,151.40x = 11,248.98 × 4,794.36
  4. Step 4: Simplify right side
    8,151.40x = 53,931,659.75
  5. Step 5: Solve for x
    x = 53,931,659.75/8,151.40
  6. Step 6: Final answer
    x = 6,616.25

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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.