Home / 7,439.16-10,264.32-4,453.86

Finding the Fourth Proportional to 7,439.16, 10,264.32 and 4,453.86

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Solution

The fourth proportional to 7,439.16, 10,264.32 and 4,453.86 is: 6,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.16 : 10,264.32 = 4,453.86 : x
  2. Step 2: Convert to fraction form
    7,439.16/10,264.32 = 4,453.86/x
  3. Step 3: Cross multiply
    7,439.16x = 10,264.32 × 4,453.86
  4. Step 4: Simplify right side
    7,439.16x = 45,715,844.28
  5. Step 5: Solve for x
    x = 45,715,844.28/7,439.16
  6. Step 6: Final answer
    x = 6,145.30

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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.