Home / 7,557.94-10,435.04-6,758.78

Finding the Fourth Proportional to 7,557.94, 10,435.04 and 6,758.78

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Solution

The fourth proportional to 7,557.94, 10,435.04 and 6,758.78 is: 9,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.94 : 10,435.04 = 6,758.78 : x
  2. Step 2: Convert to fraction form
    7,557.94/10,435.04 = 6,758.78/x
  3. Step 3: Cross multiply
    7,557.94x = 10,435.04 × 6,758.78
  4. Step 4: Simplify right side
    7,557.94x = 70,528,053.68
  5. Step 5: Solve for x
    x = 70,528,053.68/7,557.94
  6. Step 6: Final answer
    x = 9,331.65

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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.