Home / 7,876.08-10,868.91-4,339.23

Finding the Fourth Proportional to 7,876.08, 10,868.91 and 4,339.23

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Solution

The fourth proportional to 7,876.08, 10,868.91 and 4,339.23 is: 5,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.08 : 10,868.91 = 4,339.23 : x
  2. Step 2: Convert to fraction form
    7,876.08/10,868.91 = 4,339.23/x
  3. Step 3: Cross multiply
    7,876.08x = 10,868.91 × 4,339.23
  4. Step 4: Simplify right side
    7,876.08x = 47,162,700.34
  5. Step 5: Solve for x
    x = 47,162,700.34/7,876.08
  6. Step 6: Final answer
    x = 5,988.09

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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.