Home / 8,929.88-13,376.64-5,800.40

Finding the Fourth Proportional to 8,929.88, 13,376.64 and 5,800.40

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Solution

The fourth proportional to 8,929.88, 13,376.64 and 5,800.40 is: 8,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.88 : 13,376.64 = 5,800.40 : x
  2. Step 2: Convert to fraction form
    8,929.88/13,376.64 = 5,800.40/x
  3. Step 3: Cross multiply
    8,929.88x = 13,376.64 × 5,800.40
  4. Step 4: Simplify right side
    8,929.88x = 77,589,795.77
  5. Step 5: Solve for x
    x = 77,589,795.77/8,929.88
  6. Step 6: Final answer
    x = 8,688.79

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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.