Home / 5,240.84-7,862.58-1,954.04

Finding the Fourth Proportional to 5,240.84, 7,862.58 and 1,954.04

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Solution

The fourth proportional to 5,240.84, 7,862.58 and 1,954.04 is: 2,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.84 : 7,862.58 = 1,954.04 : x
  2. Step 2: Convert to fraction form
    5,240.84/7,862.58 = 1,954.04/x
  3. Step 3: Cross multiply
    5,240.84x = 7,862.58 × 1,954.04
  4. Step 4: Simplify right side
    5,240.84x = 15,363,795.82
  5. Step 5: Solve for x
    x = 15,363,795.82/5,240.84
  6. Step 6: Final answer
    x = 2,931.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.