Home / 7,425.87-10,242.01-5,435.70

Finding the Fourth Proportional to 7,425.87, 10,242.01 and 5,435.70

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Solution

The fourth proportional to 7,425.87, 10,242.01 and 5,435.70 is: 7,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.87 : 10,242.01 = 5,435.70 : x
  2. Step 2: Convert to fraction form
    7,425.87/10,242.01 = 5,435.70/x
  3. Step 3: Cross multiply
    7,425.87x = 10,242.01 × 5,435.70
  4. Step 4: Simplify right side
    7,425.87x = 55,672,493.76
  5. Step 5: Solve for x
    x = 55,672,493.76/7,425.87
  6. Step 6: Final answer
    x = 7,497.10

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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.