Home / 6,612.06-9,118.60-4,376.20

Finding the Fourth Proportional to 6,612.06, 9,118.60 and 4,376.20

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Solution

The fourth proportional to 6,612.06, 9,118.60 and 4,376.20 is: 6,035.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.06 : 9,118.60 = 4,376.20 : x
  2. Step 2: Convert to fraction form
    6,612.06/9,118.60 = 4,376.20/x
  3. Step 3: Cross multiply
    6,612.06x = 9,118.60 × 4,376.20
  4. Step 4: Simplify right side
    6,612.06x = 39,904,817.32
  5. Step 5: Solve for x
    x = 39,904,817.32/6,612.06
  6. Step 6: Final answer
    x = 6,035.16

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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.