Home / 6,641.84-9,170.72-5,445.04

Finding the Fourth Proportional to 6,641.84, 9,170.72 and 5,445.04

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Solution

The fourth proportional to 6,641.84, 9,170.72 and 5,445.04 is: 7,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.84 : 9,170.72 = 5,445.04 : x
  2. Step 2: Convert to fraction form
    6,641.84/9,170.72 = 5,445.04/x
  3. Step 3: Cross multiply
    6,641.84x = 9,170.72 × 5,445.04
  4. Step 4: Simplify right side
    6,641.84x = 49,934,937.23
  5. Step 5: Solve for x
    x = 49,934,937.23/6,641.84
  6. Step 6: Final answer
    x = 7,518.24

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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.