Home / 5,266.40-7,267.62-2,908.70

Finding the Fourth Proportional to 5,266.40, 7,267.62 and 2,908.70

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Solution

The fourth proportional to 5,266.40, 7,267.62 and 2,908.70 is: 4,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.40 : 7,267.62 = 2,908.70 : x
  2. Step 2: Convert to fraction form
    5,266.40/7,267.62 = 2,908.70/x
  3. Step 3: Cross multiply
    5,266.40x = 7,267.62 × 2,908.70
  4. Step 4: Simplify right side
    5,266.40x = 21,139,326.29
  5. Step 5: Solve for x
    x = 21,139,326.29/5,266.40
  6. Step 6: Final answer
    x = 4,014.00

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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.