Home / 5,263.84-7,888.80-2,793.40

Finding the Fourth Proportional to 5,263.84, 7,888.80 and 2,793.40

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Solution

The fourth proportional to 5,263.84, 7,888.80 and 2,793.40 is: 4,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.84 : 7,888.80 = 2,793.40 : x
  2. Step 2: Convert to fraction form
    5,263.84/7,888.80 = 2,793.40/x
  3. Step 3: Cross multiply
    5,263.84x = 7,888.80 × 2,793.40
  4. Step 4: Simplify right side
    5,263.84x = 22,036,573.92
  5. Step 5: Solve for x
    x = 22,036,573.92/5,263.84
  6. Step 6: Final answer
    x = 4,186.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.