Home / 7,916.90-10,925.24-4,380.03

Finding the Fourth Proportional to 7,916.90, 10,925.24 and 4,380.03

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Solution

The fourth proportional to 7,916.90, 10,925.24 and 4,380.03 is: 6,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.90 : 10,925.24 = 4,380.03 : x
  2. Step 2: Convert to fraction form
    7,916.90/10,925.24 = 4,380.03/x
  3. Step 3: Cross multiply
    7,916.90x = 10,925.24 × 4,380.03
  4. Step 4: Simplify right side
    7,916.90x = 47,852,889.91
  5. Step 5: Solve for x
    x = 47,852,889.91/7,916.90
  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.