Home / 7,538.02-10,402.35-4,180.84

Finding the Fourth Proportional to 7,538.02, 10,402.35 and 4,180.84

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Solution

The fourth proportional to 7,538.02, 10,402.35 and 4,180.84 is: 5,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.02 : 10,402.35 = 4,180.84 : x
  2. Step 2: Convert to fraction form
    7,538.02/10,402.35 = 4,180.84/x
  3. Step 3: Cross multiply
    7,538.02x = 10,402.35 × 4,180.84
  4. Step 4: Simplify right side
    7,538.02x = 43,490,560.97
  5. Step 5: Solve for x
    x = 43,490,560.97/7,538.02
  6. Step 6: Final answer
    x = 5,769.49

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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.