Home / 8,019.40-11,065.62-4,875.88

Finding the Fourth Proportional to 8,019.40, 11,065.62 and 4,875.88

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Solution

The fourth proportional to 8,019.40, 11,065.62 and 4,875.88 is: 6,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.40 : 11,065.62 = 4,875.88 : x
  2. Step 2: Convert to fraction form
    8,019.40/11,065.62 = 4,875.88/x
  3. Step 3: Cross multiply
    8,019.40x = 11,065.62 × 4,875.88
  4. Step 4: Simplify right side
    8,019.40x = 53,954,635.25
  5. Step 5: Solve for x
    x = 53,954,635.25/8,019.40
  6. Step 6: Final answer
    x = 6,728.01

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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.