Home / 5,139.84-7,093.08-2,901.57

Finding the Fourth Proportional to 5,139.84, 7,093.08 and 2,901.57

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Solution

The fourth proportional to 5,139.84, 7,093.08 and 2,901.57 is: 4,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.84 : 7,093.08 = 2,901.57 : x
  2. Step 2: Convert to fraction form
    5,139.84/7,093.08 = 2,901.57/x
  3. Step 3: Cross multiply
    5,139.84x = 7,093.08 × 2,901.57
  4. Step 4: Simplify right side
    5,139.84x = 20,581,068.14
  5. Step 5: Solve for x
    x = 20,581,068.14/5,139.84
  6. Step 6: Final answer
    x = 4,004.22

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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.