Home / 8,929.24-13,393.88-4,309

Finding the Fourth Proportional to 8,929.24, 13,393.88 and 4,309

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Solution

The fourth proportional to 8,929.24, 13,393.88 and 4,309 is: 6,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.24 : 13,393.88 = 4,309 : x
  2. Step 2: Convert to fraction form
    8,929.24/13,393.88 = 4,309/x
  3. Step 3: Cross multiply
    8,929.24x = 13,393.88 × 4,309
  4. Step 4: Simplify right side
    8,929.24x = 57,714,228.92
  5. Step 5: Solve for x
    x = 57,714,228.92/8,929.24
  6. Step 6: Final answer
    x = 6,463.51

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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.