Home / 5,030.45-6,944.51-3,143.08

Finding the Fourth Proportional to 5,030.45, 6,944.51 and 3,143.08

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Solution

The fourth proportional to 5,030.45, 6,944.51 and 3,143.08 is: 4,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.45 : 6,944.51 = 3,143.08 : x
  2. Step 2: Convert to fraction form
    5,030.45/6,944.51 = 3,143.08/x
  3. Step 3: Cross multiply
    5,030.45x = 6,944.51 × 3,143.08
  4. Step 4: Simplify right side
    5,030.45x = 21,827,140.99
  5. Step 5: Solve for x
    x = 21,827,140.99/5,030.45
  6. Step 6: Final answer
    x = 4,339.01

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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.