Home / 7,816.91-10,788.86-4,459.39

Finding the Fourth Proportional to 7,816.91, 10,788.86 and 4,459.39

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Solution

The fourth proportional to 7,816.91, 10,788.86 and 4,459.39 is: 6,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.91 : 10,788.86 = 4,459.39 : x
  2. Step 2: Convert to fraction form
    7,816.91/10,788.86 = 4,459.39/x
  3. Step 3: Cross multiply
    7,816.91x = 10,788.86 × 4,459.39
  4. Step 4: Simplify right side
    7,816.91x = 48,111,718.57
  5. Step 5: Solve for x
    x = 48,111,718.57/7,816.91
  6. Step 6: Final answer
    x = 6,154.83

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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.