Home / 5,587.30-8,386.35-3,400.30

Finding the Fourth Proportional to 5,587.30, 8,386.35 and 3,400.30

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Solution

The fourth proportional to 5,587.30, 8,386.35 and 3,400.30 is: 5,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.30 : 8,386.35 = 3,400.30 : x
  2. Step 2: Convert to fraction form
    5,587.30/8,386.35 = 3,400.30/x
  3. Step 3: Cross multiply
    5,587.30x = 8,386.35 × 3,400.30
  4. Step 4: Simplify right side
    5,587.30x = 28,516,105.91
  5. Step 5: Solve for x
    x = 28,516,105.91/5,587.30
  6. Step 6: Final answer
    x = 5,103.74

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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.