Home / 7,387.02-11,085.78-4,102.74

Finding the Fourth Proportional to 7,387.02, 11,085.78 and 4,102.74

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Solution

The fourth proportional to 7,387.02, 11,085.78 and 4,102.74 is: 6,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.02 : 11,085.78 = 4,102.74 : x
  2. Step 2: Convert to fraction form
    7,387.02/11,085.78 = 4,102.74/x
  3. Step 3: Cross multiply
    7,387.02x = 11,085.78 × 4,102.74
  4. Step 4: Simplify right side
    7,387.02x = 45,482,073.04
  5. Step 5: Solve for x
    x = 45,482,073.04/7,387.02
  6. Step 6: Final answer
    x = 6,157.03

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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.