Home / 5,547.18-7,655.31-3,189.54

Finding the Fourth Proportional to 5,547.18, 7,655.31 and 3,189.54

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Solution

The fourth proportional to 5,547.18, 7,655.31 and 3,189.54 is: 4,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.18 : 7,655.31 = 3,189.54 : x
  2. Step 2: Convert to fraction form
    5,547.18/7,655.31 = 3,189.54/x
  3. Step 3: Cross multiply
    5,547.18x = 7,655.31 × 3,189.54
  4. Step 4: Simplify right side
    5,547.18x = 24,416,917.46
  5. Step 5: Solve for x
    x = 24,416,917.46/5,547.18
  6. Step 6: Final answer
    x = 4,401.68

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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.