Home / 7,916.91-10,925.40-4,380.36

Finding the Fourth Proportional to 7,916.91, 10,925.40 and 4,380.36

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Solution

The fourth proportional to 7,916.91, 10,925.40 and 4,380.36 is: 6,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.91 : 10,925.40 = 4,380.36 : x
  2. Step 2: Convert to fraction form
    7,916.91/10,925.40 = 4,380.36/x
  3. Step 3: Cross multiply
    7,916.91x = 10,925.40 × 4,380.36
  4. Step 4: Simplify right side
    7,916.91x = 47,857,185.14
  5. Step 5: Solve for x
    x = 47,857,185.14/7,916.91
  6. Step 6: Final answer
    x = 6,044.93

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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.