Home / 7,874.14-10,866.30-4,337.59

Finding the Fourth Proportional to 7,874.14, 10,866.30 and 4,337.59

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Solution

The fourth proportional to 7,874.14, 10,866.30 and 4,337.59 is: 5,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.14 : 10,866.30 = 4,337.59 : x
  2. Step 2: Convert to fraction form
    7,874.14/10,866.30 = 4,337.59/x
  3. Step 3: Cross multiply
    7,874.14x = 10,866.30 × 4,337.59
  4. Step 4: Simplify right side
    7,874.14x = 47,133,554.22
  5. Step 5: Solve for x
    x = 47,133,554.22/7,874.14
  6. Step 6: Final answer
    x = 5,985.87

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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.