Home / 5,316.45-7,335.22-3,077.89

Finding the Fourth Proportional to 5,316.45, 7,335.22 and 3,077.89

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Solution

The fourth proportional to 5,316.45, 7,335.22 and 3,077.89 is: 4,246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.45 : 7,335.22 = 3,077.89 : x
  2. Step 2: Convert to fraction form
    5,316.45/7,335.22 = 3,077.89/x
  3. Step 3: Cross multiply
    5,316.45x = 7,335.22 × 3,077.89
  4. Step 4: Simplify right side
    5,316.45x = 22,577,000.29
  5. Step 5: Solve for x
    x = 22,577,000.29/5,316.45
  6. Step 6: Final answer
    x = 4,246.63

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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.