Home / 7,744.50-10,685.70-4,387.02

Finding the Fourth Proportional to 7,744.50, 10,685.70 and 4,387.02

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Solution

The fourth proportional to 7,744.50, 10,685.70 and 4,387.02 is: 6,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.50 : 10,685.70 = 4,387.02 : x
  2. Step 2: Convert to fraction form
    7,744.50/10,685.70 = 4,387.02/x
  3. Step 3: Cross multiply
    7,744.50x = 10,685.70 × 4,387.02
  4. Step 4: Simplify right side
    7,744.50x = 46,878,379.61
  5. Step 5: Solve for x
    x = 46,878,379.61/7,744.50
  6. Step 6: Final answer
    x = 6,053.12

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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.