Home / 5,143.61-7,095.87-3,019.28

Finding the Fourth Proportional to 5,143.61, 7,095.87 and 3,019.28

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Solution

The fourth proportional to 5,143.61, 7,095.87 and 3,019.28 is: 4,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.61 : 7,095.87 = 3,019.28 : x
  2. Step 2: Convert to fraction form
    5,143.61/7,095.87 = 3,019.28/x
  3. Step 3: Cross multiply
    5,143.61x = 7,095.87 × 3,019.28
  4. Step 4: Simplify right side
    5,143.61x = 21,424,382.89
  5. Step 5: Solve for x
    x = 21,424,382.89/5,143.61
  6. Step 6: Final answer
    x = 4,165.24

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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.