Home / 4,862.40-7,293.28-2,521.70

Finding the Fourth Proportional to 4,862.40, 7,293.28 and 2,521.70

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Solution

The fourth proportional to 4,862.40, 7,293.28 and 2,521.70 is: 3,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.40 : 7,293.28 = 2,521.70 : x
  2. Step 2: Convert to fraction form
    4,862.40/7,293.28 = 2,521.70/x
  3. Step 3: Cross multiply
    4,862.40x = 7,293.28 × 2,521.70
  4. Step 4: Simplify right side
    4,862.40x = 18,391,464.18
  5. Step 5: Solve for x
    x = 18,391,464.18/4,862.40
  6. Step 6: Final answer
    x = 3,782.38

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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.