Home / 5,547.76-7,655.64-3,189.36

Finding the Fourth Proportional to 5,547.76, 7,655.64 and 3,189.36

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Solution

The fourth proportional to 5,547.76, 7,655.64 and 3,189.36 is: 4,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.76 : 7,655.64 = 3,189.36 : x
  2. Step 2: Convert to fraction form
    5,547.76/7,655.64 = 3,189.36/x
  3. Step 3: Cross multiply
    5,547.76x = 7,655.64 × 3,189.36
  4. Step 4: Simplify right side
    5,547.76x = 24,416,591.99
  5. Step 5: Solve for x
    x = 24,416,591.99/5,547.76
  6. Step 6: Final answer
    x = 4,401.16

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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.