Home / 9,627.04-13,285.28-5,211.04

Finding the Fourth Proportional to 9,627.04, 13,285.28 and 5,211.04

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Solution

The fourth proportional to 9,627.04, 13,285.28 and 5,211.04 is: 7,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627.04 : 13,285.28 = 5,211.04 : x
  2. Step 2: Convert to fraction form
    9,627.04/13,285.28 = 5,211.04/x
  3. Step 3: Cross multiply
    9,627.04x = 13,285.28 × 5,211.04
  4. Step 4: Simplify right side
    9,627.04x = 69,230,125.49
  5. Step 5: Solve for x
    x = 69,230,125.49/9,627.04
  6. Step 6: Final answer
    x = 7,191.22

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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.