Home / 5,265.91-7,266.89-2,875.87

Finding the Fourth Proportional to 5,265.91, 7,266.89 and 2,875.87

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Solution

The fourth proportional to 5,265.91, 7,266.89 and 2,875.87 is: 3,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.91 : 7,266.89 = 2,875.87 : x
  2. Step 2: Convert to fraction form
    5,265.91/7,266.89 = 2,875.87/x
  3. Step 3: Cross multiply
    5,265.91x = 7,266.89 × 2,875.87
  4. Step 4: Simplify right side
    5,265.91x = 20,898,651.26
  5. Step 5: Solve for x
    x = 20,898,651.26/5,265.91
  6. Step 6: Final answer
    x = 3,968.67

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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.