Home / 8,929.41-13,384.89-6,458.10

Finding the Fourth Proportional to 8,929.41, 13,384.89 and 6,458.10

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Solution

The fourth proportional to 8,929.41, 13,384.89 and 6,458.10 is: 9,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.41 : 13,384.89 = 6,458.10 : x
  2. Step 2: Convert to fraction form
    8,929.41/13,384.89 = 6,458.10/x
  3. Step 3: Cross multiply
    8,929.41x = 13,384.89 × 6,458.10
  4. Step 4: Simplify right side
    8,929.41x = 86,440,958.11
  5. Step 5: Solve for x
    x = 86,440,958.11/8,929.41
  6. Step 6: Final answer
    x = 9,680.48

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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.