Home / 8,301.30-11,421.46-6,300.20

Finding the Fourth Proportional to 8,301.30, 11,421.46 and 6,300.20

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Solution

The fourth proportional to 8,301.30, 11,421.46 and 6,300.20 is: 8,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.30 : 11,421.46 = 6,300.20 : x
  2. Step 2: Convert to fraction form
    8,301.30/11,421.46 = 6,300.20/x
  3. Step 3: Cross multiply
    8,301.30x = 11,421.46 × 6,300.20
  4. Step 4: Simplify right side
    8,301.30x = 71,957,482.29
  5. Step 5: Solve for x
    x = 71,957,482.29/8,301.30
  6. Step 6: Final answer
    x = 8,668.22

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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.