Home / 7,621.32-10,517.99-4,264.47

Finding the Fourth Proportional to 7,621.32, 10,517.99 and 4,264.47

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Solution

The fourth proportional to 7,621.32, 10,517.99 and 4,264.47 is: 5,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.32 : 10,517.99 = 4,264.47 : x
  2. Step 2: Convert to fraction form
    7,621.32/10,517.99 = 4,264.47/x
  3. Step 3: Cross multiply
    7,621.32x = 10,517.99 × 4,264.47
  4. Step 4: Simplify right side
    7,621.32x = 44,853,631.49
  5. Step 5: Solve for x
    x = 44,853,631.49/7,621.32
  6. Step 6: Final answer
    x = 5,885.28

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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.