Home / 8,878.24-13,309.12-3,030.72

Finding the Fourth Proportional to 8,878.24, 13,309.12 and 3,030.72

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Solution

The fourth proportional to 8,878.24, 13,309.12 and 3,030.72 is: 4,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.24 : 13,309.12 = 3,030.72 : x
  2. Step 2: Convert to fraction form
    8,878.24/13,309.12 = 3,030.72/x
  3. Step 3: Cross multiply
    8,878.24x = 13,309.12 × 3,030.72
  4. Step 4: Simplify right side
    8,878.24x = 40,336,216.17
  5. Step 5: Solve for x
    x = 40,336,216.17/8,878.24
  6. Step 6: Final answer
    x = 4,543.27

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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.