Home / 5,498.07-7,587.34-2,980.20

Finding the Fourth Proportional to 5,498.07, 7,587.34 and 2,980.20

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Solution

The fourth proportional to 5,498.07, 7,587.34 and 2,980.20 is: 4,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.07 : 7,587.34 = 2,980.20 : x
  2. Step 2: Convert to fraction form
    5,498.07/7,587.34 = 2,980.20/x
  3. Step 3: Cross multiply
    5,498.07x = 7,587.34 × 2,980.20
  4. Step 4: Simplify right side
    5,498.07x = 22,611,790.67
  5. Step 5: Solve for x
    x = 22,611,790.67/5,498.07
  6. Step 6: Final answer
    x = 4,112.68

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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.