Home / 6,441.68-8,886.84-4,342.16

Finding the Fourth Proportional to 6,441.68, 8,886.84 and 4,342.16

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Solution

The fourth proportional to 6,441.68, 8,886.84 and 4,342.16 is: 5,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.68 : 8,886.84 = 4,342.16 : x
  2. Step 2: Convert to fraction form
    6,441.68/8,886.84 = 4,342.16/x
  3. Step 3: Cross multiply
    6,441.68x = 8,886.84 × 4,342.16
  4. Step 4: Simplify right side
    6,441.68x = 38,588,081.17
  5. Step 5: Solve for x
    x = 38,588,081.17/6,441.68
  6. Step 6: Final answer
    x = 5,990.38

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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.