Home / 5,014.36-6,920.59-2,860.91

Finding the Fourth Proportional to 5,014.36, 6,920.59 and 2,860.91

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Solution

The fourth proportional to 5,014.36, 6,920.59 and 2,860.91 is: 3,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.36 : 6,920.59 = 2,860.91 : x
  2. Step 2: Convert to fraction form
    5,014.36/6,920.59 = 2,860.91/x
  3. Step 3: Cross multiply
    5,014.36x = 6,920.59 × 2,860.91
  4. Step 4: Simplify right side
    5,014.36x = 19,799,150.53
  5. Step 5: Solve for x
    x = 19,799,150.53/5,014.36
  6. Step 6: Final answer
    x = 3,948.49

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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.