Home / 7,217.87-9,952.85-6,265.51

Finding the Fourth Proportional to 7,217.87, 9,952.85 and 6,265.51

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Solution

The fourth proportional to 7,217.87, 9,952.85 and 6,265.51 is: 8,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.87 : 9,952.85 = 6,265.51 : x
  2. Step 2: Convert to fraction form
    7,217.87/9,952.85 = 6,265.51/x
  3. Step 3: Cross multiply
    7,217.87x = 9,952.85 × 6,265.51
  4. Step 4: Simplify right side
    7,217.87x = 62,359,671.99
  5. Step 5: Solve for x
    x = 62,359,671.99/7,217.87
  6. Step 6: Final answer
    x = 8,639.63

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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.