Home / 7,776.60-10,732.14-4,419.72

Finding the Fourth Proportional to 7,776.60, 10,732.14 and 4,419.72

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Solution

The fourth proportional to 7,776.60, 10,732.14 and 4,419.72 is: 6,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.60 : 10,732.14 = 4,419.72 : x
  2. Step 2: Convert to fraction form
    7,776.60/10,732.14 = 4,419.72/x
  3. Step 3: Cross multiply
    7,776.60x = 10,732.14 × 4,419.72
  4. Step 4: Simplify right side
    7,776.60x = 47,433,053.80
  5. Step 5: Solve for x
    x = 47,433,053.80/7,776.60
  6. Step 6: Final answer
    x = 6,099.46

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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.