Home / 6,860.31-10,279.53-4,393.10

Finding the Fourth Proportional to 6,860.31, 10,279.53 and 4,393.10

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Solution

The fourth proportional to 6,860.31, 10,279.53 and 4,393.10 is: 6,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.31 : 10,279.53 = 4,393.10 : x
  2. Step 2: Convert to fraction form
    6,860.31/10,279.53 = 4,393.10/x
  3. Step 3: Cross multiply
    6,860.31x = 10,279.53 × 4,393.10
  4. Step 4: Simplify right side
    6,860.31x = 45,159,003.24
  5. Step 5: Solve for x
    x = 45,159,003.24/6,860.31
  6. Step 6: Final answer
    x = 6,582.65

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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.