Home / 7,538.04-10,401.93-4,180.53

Finding the Fourth Proportional to 7,538.04, 10,401.93 and 4,180.53

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Solution

The fourth proportional to 7,538.04, 10,401.93 and 4,180.53 is: 5,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.04 : 10,401.93 = 4,180.53 : x
  2. Step 2: Convert to fraction form
    7,538.04/10,401.93 = 4,180.53/x
  3. Step 3: Cross multiply
    7,538.04x = 10,401.93 × 4,180.53
  4. Step 4: Simplify right side
    7,538.04x = 43,485,580.42
  5. Step 5: Solve for x
    x = 43,485,580.42/7,538.04
  6. Step 6: Final answer
    x = 5,768.82

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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.