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Finding the Fourth Proportional to 5,266.80, 7,898.04 and 5,050.80

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Solution

The fourth proportional to 5,266.80, 7,898.04 and 5,050.80 is: 7,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.80 : 7,898.04 = 5,050.80 : x
  2. Step 2: Convert to fraction form
    5,266.80/7,898.04 = 5,050.80/x
  3. Step 3: Cross multiply
    5,266.80x = 7,898.04 × 5,050.80
  4. Step 4: Simplify right side
    5,266.80x = 39,891,420.43
  5. Step 5: Solve for x
    x = 39,891,420.43/5,266.80
  6. Step 6: Final answer
    x = 7,574.13

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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.