Home / 5,205.65-7,808.93-2,394.45

Finding the Fourth Proportional to 5,205.65, 7,808.93 and 2,394.45

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Solution

The fourth proportional to 5,205.65, 7,808.93 and 2,394.45 is: 3,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.65 : 7,808.93 = 2,394.45 : x
  2. Step 2: Convert to fraction form
    5,205.65/7,808.93 = 2,394.45/x
  3. Step 3: Cross multiply
    5,205.65x = 7,808.93 × 2,394.45
  4. Step 4: Simplify right side
    5,205.65x = 18,698,080.47
  5. Step 5: Solve for x
    x = 18,698,080.47/5,205.65
  6. Step 6: Final answer
    x = 3,591.89

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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.