Home / 8,130.24-11,218.10-4,774.10

Finding the Fourth Proportional to 8,130.24, 11,218.10 and 4,774.10

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Solution

The fourth proportional to 8,130.24, 11,218.10 and 4,774.10 is: 6,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.24 : 11,218.10 = 4,774.10 : x
  2. Step 2: Convert to fraction form
    8,130.24/11,218.10 = 4,774.10/x
  3. Step 3: Cross multiply
    8,130.24x = 11,218.10 × 4,774.10
  4. Step 4: Simplify right side
    8,130.24x = 53,556,251.25
  5. Step 5: Solve for x
    x = 53,556,251.25/8,130.24
  6. Step 6: Final answer
    x = 6,587.29

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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.