Home / 5,038.89-6,952.84-2,800.70

Finding the Fourth Proportional to 5,038.89, 6,952.84 and 2,800.70

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Solution

The fourth proportional to 5,038.89, 6,952.84 and 2,800.70 is: 3,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.89 : 6,952.84 = 2,800.70 : x
  2. Step 2: Convert to fraction form
    5,038.89/6,952.84 = 2,800.70/x
  3. Step 3: Cross multiply
    5,038.89x = 6,952.84 × 2,800.70
  4. Step 4: Simplify right side
    5,038.89x = 19,472,829.37
  5. Step 5: Solve for x
    x = 19,472,829.37/5,038.89
  6. Step 6: Final answer
    x = 3,864.51

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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.