Home / 7,525.84-10,385.40-4,122.83

Finding the Fourth Proportional to 7,525.84, 10,385.40 and 4,122.83

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Solution

The fourth proportional to 7,525.84, 10,385.40 and 4,122.83 is: 5,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.84 : 10,385.40 = 4,122.83 : x
  2. Step 2: Convert to fraction form
    7,525.84/10,385.40 = 4,122.83/x
  3. Step 3: Cross multiply
    7,525.84x = 10,385.40 × 4,122.83
  4. Step 4: Simplify right side
    7,525.84x = 42,817,238.68
  5. Step 5: Solve for x
    x = 42,817,238.68/7,525.84
  6. Step 6: Final answer
    x = 5,689.36

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Half scale
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Double scale
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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.