Home / 7,069.17-9,756.45-4,086.05

Finding the Fourth Proportional to 7,069.17, 9,756.45 and 4,086.05

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Solution

The fourth proportional to 7,069.17, 9,756.45 and 4,086.05 is: 5,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.17 : 9,756.45 = 4,086.05 : x
  2. Step 2: Convert to fraction form
    7,069.17/9,756.45 = 4,086.05/x
  3. Step 3: Cross multiply
    7,069.17x = 9,756.45 × 4,086.05
  4. Step 4: Simplify right side
    7,069.17x = 39,865,293.74
  5. Step 5: Solve for x
    x = 39,865,293.74/7,069.17
  6. Step 6: Final answer
    x = 5,639.31

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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.