Home / 7,487.02-11,223.19-6,378.94

Finding the Fourth Proportional to 7,487.02, 11,223.19 and 6,378.94

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Solution

The fourth proportional to 7,487.02, 11,223.19 and 6,378.94 is: 9,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.02 : 11,223.19 = 6,378.94 : x
  2. Step 2: Convert to fraction form
    7,487.02/11,223.19 = 6,378.94/x
  3. Step 3: Cross multiply
    7,487.02x = 11,223.19 × 6,378.94
  4. Step 4: Simplify right side
    7,487.02x = 71,592,055.62
  5. Step 5: Solve for x
    x = 71,592,055.62/7,487.02
  6. Step 6: Final answer
    x = 9,562.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.