Home / 7,672.87-10,588.85-4,315.66

Finding the Fourth Proportional to 7,672.87, 10,588.85 and 4,315.66

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Solution

The fourth proportional to 7,672.87, 10,588.85 and 4,315.66 is: 5,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.87 : 10,588.85 = 4,315.66 : x
  2. Step 2: Convert to fraction form
    7,672.87/10,588.85 = 4,315.66/x
  3. Step 3: Cross multiply
    7,672.87x = 10,588.85 × 4,315.66
  4. Step 4: Simplify right side
    7,672.87x = 45,697,876.39
  5. Step 5: Solve for x
    x = 45,697,876.39/7,672.87
  6. Step 6: Final answer
    x = 5,955.77

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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.