Home / 5,587.91-8,384.93-3,398.17

Finding the Fourth Proportional to 5,587.91, 8,384.93 and 3,398.17

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Solution

The fourth proportional to 5,587.91, 8,384.93 and 3,398.17 is: 5,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.91 : 8,384.93 = 3,398.17 : x
  2. Step 2: Convert to fraction form
    5,587.91/8,384.93 = 3,398.17/x
  3. Step 3: Cross multiply
    5,587.91x = 8,384.93 × 3,398.17
  4. Step 4: Simplify right side
    5,587.91x = 28,493,400.59
  5. Step 5: Solve for x
    x = 28,493,400.59/5,587.91
  6. Step 6: Final answer
    x = 5,099.12

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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.