Home / 5,284.65-7,292.95-2,894.75

Finding the Fourth Proportional to 5,284.65, 7,292.95 and 2,894.75

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Solution

The fourth proportional to 5,284.65, 7,292.95 and 2,894.75 is: 3,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.65 : 7,292.95 = 2,894.75 : x
  2. Step 2: Convert to fraction form
    5,284.65/7,292.95 = 2,894.75/x
  3. Step 3: Cross multiply
    5,284.65x = 7,292.95 × 2,894.75
  4. Step 4: Simplify right side
    5,284.65x = 21,111,278.01
  5. Step 5: Solve for x
    x = 21,111,278.01/5,284.65
  6. Step 6: Final answer
    x = 3,994.83

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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.