Home / 7,782.91-10,740.74-4,426.31

Finding the Fourth Proportional to 7,782.91, 10,740.74 and 4,426.31

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Solution

The fourth proportional to 7,782.91, 10,740.74 and 4,426.31 is: 6,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.91 : 10,740.74 = 4,426.31 : x
  2. Step 2: Convert to fraction form
    7,782.91/10,740.74 = 4,426.31/x
  3. Step 3: Cross multiply
    7,782.91x = 10,740.74 × 4,426.31
  4. Step 4: Simplify right side
    7,782.91x = 47,541,849.59
  5. Step 5: Solve for x
    x = 47,541,849.59/7,782.91
  6. Step 6: Final answer
    x = 6,108.49

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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.