Home / 5,064.70-6,988.99-2,826.40

Finding the Fourth Proportional to 5,064.70, 6,988.99 and 2,826.40

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Solution

The fourth proportional to 5,064.70, 6,988.99 and 2,826.40 is: 3,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.70 : 6,988.99 = 2,826.40 : x
  2. Step 2: Convert to fraction form
    5,064.70/6,988.99 = 2,826.40/x
  3. Step 3: Cross multiply
    5,064.70x = 6,988.99 × 2,826.40
  4. Step 4: Simplify right side
    5,064.70x = 19,753,632.26
  5. Step 5: Solve for x
    x = 19,753,632.26/5,064.70
  6. Step 6: Final answer
    x = 3,900.26

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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.