Home / 7,493.04-10,330.80-5,131.12

Finding the Fourth Proportional to 7,493.04, 10,330.80 and 5,131.12

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Solution

The fourth proportional to 7,493.04, 10,330.80 and 5,131.12 is: 7,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.04 : 10,330.80 = 5,131.12 : x
  2. Step 2: Convert to fraction form
    7,493.04/10,330.80 = 5,131.12/x
  3. Step 3: Cross multiply
    7,493.04x = 10,330.80 × 5,131.12
  4. Step 4: Simplify right side
    7,493.04x = 53,008,574.50
  5. Step 5: Solve for x
    x = 53,008,574.50/7,493.04
  6. Step 6: Final answer
    x = 7,074.37

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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.