Home / 9,212.74-12,719.55-6,346.30

Finding the Fourth Proportional to 9,212.74, 12,719.55 and 6,346.30

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Solution

The fourth proportional to 9,212.74, 12,719.55 and 6,346.30 is: 8,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.74 : 12,719.55 = 6,346.30 : x
  2. Step 2: Convert to fraction form
    9,212.74/12,719.55 = 6,346.30/x
  3. Step 3: Cross multiply
    9,212.74x = 12,719.55 × 6,346.30
  4. Step 4: Simplify right side
    9,212.74x = 80,722,080.17
  5. Step 5: Solve for x
    x = 80,722,080.17/9,212.74
  6. Step 6: Final answer
    x = 8,762.01

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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.