Home / 5,068.80-7,606.85-2,987.51

Finding the Fourth Proportional to 5,068.80, 7,606.85 and 2,987.51

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Solution

The fourth proportional to 5,068.80, 7,606.85 and 2,987.51 is: 4,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.80 : 7,606.85 = 2,987.51 : x
  2. Step 2: Convert to fraction form
    5,068.80/7,606.85 = 2,987.51/x
  3. Step 3: Cross multiply
    5,068.80x = 7,606.85 × 2,987.51
  4. Step 4: Simplify right side
    5,068.80x = 22,725,487.47
  5. Step 5: Solve for x
    x = 22,725,487.47/5,068.80
  6. Step 6: Final answer
    x = 4,483.41

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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.