Home / 8,949.29-12,349.97-4,970.46

Finding the Fourth Proportional to 8,949.29, 12,349.97 and 4,970.46

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Solution

The fourth proportional to 8,949.29, 12,349.97 and 4,970.46 is: 6,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.29 : 12,349.97 = 4,970.46 : x
  2. Step 2: Convert to fraction form
    8,949.29/12,349.97 = 4,970.46/x
  3. Step 3: Cross multiply
    8,949.29x = 12,349.97 × 4,970.46
  4. Step 4: Simplify right side
    8,949.29x = 61,385,071.99
  5. Step 5: Solve for x
    x = 61,385,071.99/8,949.29
  6. Step 6: Final answer
    x = 6,859.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.