Home / 9,054.28-12,484.86-6,397.12

Finding the Fourth Proportional to 9,054.28, 12,484.86 and 6,397.12

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Solution

The fourth proportional to 9,054.28, 12,484.86 and 6,397.12 is: 8,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.28 : 12,484.86 = 6,397.12 : x
  2. Step 2: Convert to fraction form
    9,054.28/12,484.86 = 6,397.12/x
  3. Step 3: Cross multiply
    9,054.28x = 12,484.86 × 6,397.12
  4. Step 4: Simplify right side
    9,054.28x = 79,867,147.60
  5. Step 5: Solve for x
    x = 79,867,147.60/9,054.28
  6. Step 6: Final answer
    x = 8,820.93

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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.