Home / 7,439.56-10,266.54-4,127.56

Finding the Fourth Proportional to 7,439.56, 10,266.54 and 4,127.56

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Solution

The fourth proportional to 7,439.56, 10,266.54 and 4,127.56 is: 5,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.56 : 10,266.54 = 4,127.56 : x
  2. Step 2: Convert to fraction form
    7,439.56/10,266.54 = 4,127.56/x
  3. Step 3: Cross multiply
    7,439.56x = 10,266.54 × 4,127.56
  4. Step 4: Simplify right side
    7,439.56x = 42,375,759.84
  5. Step 5: Solve for x
    x = 42,375,759.84/7,439.56
  6. Step 6: Final answer
    x = 5,696.00

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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.