Home / 4,988.51-6,883.91-2,862.57

Finding the Fourth Proportional to 4,988.51, 6,883.91 and 2,862.57

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Solution

The fourth proportional to 4,988.51, 6,883.91 and 2,862.57 is: 3,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.51 : 6,883.91 = 2,862.57 : x
  2. Step 2: Convert to fraction form
    4,988.51/6,883.91 = 2,862.57/x
  3. Step 3: Cross multiply
    4,988.51x = 6,883.91 × 2,862.57
  4. Step 4: Simplify right side
    4,988.51x = 19,705,646.45
  5. Step 5: Solve for x
    x = 19,705,646.45/4,988.51
  6. Step 6: Final answer
    x = 3,950.21

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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.