Home / 7,780.96-10,737.80-4,244.19

Finding the Fourth Proportional to 7,780.96, 10,737.80 and 4,244.19

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Solution

The fourth proportional to 7,780.96, 10,737.80 and 4,244.19 is: 5,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.96 : 10,737.80 = 4,244.19 : x
  2. Step 2: Convert to fraction form
    7,780.96/10,737.80 = 4,244.19/x
  3. Step 3: Cross multiply
    7,780.96x = 10,737.80 × 4,244.19
  4. Step 4: Simplify right side
    7,780.96x = 45,573,263.38
  5. Step 5: Solve for x
    x = 45,573,263.38/7,780.96
  6. Step 6: Final answer
    x = 5,857.02

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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.