Home / 5,140.99-7,095.24-3,818.47

Finding the Fourth Proportional to 5,140.99, 7,095.24 and 3,818.47

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Solution

The fourth proportional to 5,140.99, 7,095.24 and 3,818.47 is: 5,269.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.99 : 7,095.24 = 3,818.47 : x
  2. Step 2: Convert to fraction form
    5,140.99/7,095.24 = 3,818.47/x
  3. Step 3: Cross multiply
    5,140.99x = 7,095.24 × 3,818.47
  4. Step 4: Simplify right side
    5,140.99x = 27,092,961.08
  5. Step 5: Solve for x
    x = 27,092,961.08/5,140.99
  6. Step 6: Final answer
    x = 5,269.99

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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.