Home / 7,505.24-10,357.20-4,148.12

Finding the Fourth Proportional to 7,505.24, 10,357.20 and 4,148.12

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Solution

The fourth proportional to 7,505.24, 10,357.20 and 4,148.12 is: 5,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.24 : 10,357.20 = 4,148.12 : x
  2. Step 2: Convert to fraction form
    7,505.24/10,357.20 = 4,148.12/x
  3. Step 3: Cross multiply
    7,505.24x = 10,357.20 × 4,148.12
  4. Step 4: Simplify right side
    7,505.24x = 42,962,908.46
  5. Step 5: Solve for x
    x = 42,962,908.46/7,505.24
  6. Step 6: Final answer
    x = 5,724.39

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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.