Home / 8,949.08-12,349.54-4,970.12

Finding the Fourth Proportional to 8,949.08, 12,349.54 and 4,970.12

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Solution

The fourth proportional to 8,949.08, 12,349.54 and 4,970.12 is: 6,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.08 : 12,349.54 = 4,970.12 : x
  2. Step 2: Convert to fraction form
    8,949.08/12,349.54 = 4,970.12/x
  3. Step 3: Cross multiply
    8,949.08x = 12,349.54 × 4,970.12
  4. Step 4: Simplify right side
    8,949.08x = 61,378,695.74
  5. Step 5: Solve for x
    x = 61,378,695.74/8,949.08
  6. Step 6: Final answer
    x = 6,858.66

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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.