Home / 5,514.02-8,312.35-5,147.41

Finding the Fourth Proportional to 5,514.02, 8,312.35 and 5,147.41

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Solution

The fourth proportional to 5,514.02, 8,312.35 and 5,147.41 is: 7,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.02 : 8,312.35 = 5,147.41 : x
  2. Step 2: Convert to fraction form
    5,514.02/8,312.35 = 5,147.41/x
  3. Step 3: Cross multiply
    5,514.02x = 8,312.35 × 5,147.41
  4. Step 4: Simplify right side
    5,514.02x = 42,787,073.51
  5. Step 5: Solve for x
    x = 42,787,073.51/5,514.02
  6. Step 6: Final answer
    x = 7,759.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.