Home / 7,124.61-10,688.94-2,445.24

Finding the Fourth Proportional to 7,124.61, 10,688.94 and 2,445.24

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Solution

The fourth proportional to 7,124.61, 10,688.94 and 2,445.24 is: 3,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.61 : 10,688.94 = 2,445.24 : x
  2. Step 2: Convert to fraction form
    7,124.61/10,688.94 = 2,445.24/x
  3. Step 3: Cross multiply
    7,124.61x = 10,688.94 × 2,445.24
  4. Step 4: Simplify right side
    7,124.61x = 26,137,023.65
  5. Step 5: Solve for x
    x = 26,137,023.65/7,124.61
  6. Step 6: Final answer
    x = 3,668.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.