Home / 8,774.24-13,148.36-5,479.12

Finding the Fourth Proportional to 8,774.24, 13,148.36 and 5,479.12

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Solution

The fourth proportional to 8,774.24, 13,148.36 and 5,479.12 is: 8,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.24 : 13,148.36 = 5,479.12 : x
  2. Step 2: Convert to fraction form
    8,774.24/13,148.36 = 5,479.12/x
  3. Step 3: Cross multiply
    8,774.24x = 13,148.36 × 5,479.12
  4. Step 4: Simplify right side
    8,774.24x = 72,041,442.24
  5. Step 5: Solve for x
    x = 72,041,442.24/8,774.24
  6. Step 6: Final answer
    x = 8,210.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.