Home / 6,440.59-8,888.15-3,608.17

Finding the Fourth Proportional to 6,440.59, 8,888.15 and 3,608.17

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Solution

The fourth proportional to 6,440.59, 8,888.15 and 3,608.17 is: 4,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.59 : 8,888.15 = 3,608.17 : x
  2. Step 2: Convert to fraction form
    6,440.59/8,888.15 = 3,608.17/x
  3. Step 3: Cross multiply
    6,440.59x = 8,888.15 × 3,608.17
  4. Step 4: Simplify right side
    6,440.59x = 32,069,942.99
  5. Step 5: Solve for x
    x = 32,069,942.99/6,440.59
  6. Step 6: Final answer
    x = 4,979.35

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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.