Home / 5,587.70-8,368.77-2,668.05

Finding the Fourth Proportional to 5,587.70, 8,368.77 and 2,668.05

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Solution

The fourth proportional to 5,587.70, 8,368.77 and 2,668.05 is: 3,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.70 : 8,368.77 = 2,668.05 : x
  2. Step 2: Convert to fraction form
    5,587.70/8,368.77 = 2,668.05/x
  3. Step 3: Cross multiply
    5,587.70x = 8,368.77 × 2,668.05
  4. Step 4: Simplify right side
    5,587.70x = 22,328,296.80
  5. Step 5: Solve for x
    x = 22,328,296.80/5,587.70
  6. Step 6: Final answer
    x = 3,995.98

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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.