Home / 7,916.70-10,924.89-4,380.06

Finding the Fourth Proportional to 7,916.70, 10,924.89 and 4,380.06

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Solution

The fourth proportional to 7,916.70, 10,924.89 and 4,380.06 is: 6,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.70 : 10,924.89 = 4,380.06 : x
  2. Step 2: Convert to fraction form
    7,916.70/10,924.89 = 4,380.06/x
  3. Step 3: Cross multiply
    7,916.70x = 10,924.89 × 4,380.06
  4. Step 4: Simplify right side
    7,916.70x = 47,851,673.69
  5. Step 5: Solve for x
    x = 47,851,673.69/7,916.70
  6. Step 6: Final answer
    x = 6,044.40

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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.