Home / 5,487.05-7,572.08-2,969.11

Finding the Fourth Proportional to 5,487.05, 7,572.08 and 2,969.11

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Solution

The fourth proportional to 5,487.05, 7,572.08 and 2,969.11 is: 4,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.05 : 7,572.08 = 2,969.11 : x
  2. Step 2: Convert to fraction form
    5,487.05/7,572.08 = 2,969.11/x
  3. Step 3: Cross multiply
    5,487.05x = 7,572.08 × 2,969.11
  4. Step 4: Simplify right side
    5,487.05x = 22,482,285.74
  5. Step 5: Solve for x
    x = 22,482,285.74/5,487.05
  6. Step 6: Final answer
    x = 4,097.34

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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.