Home / 6,441.84-8,886.75-4,455.18

Finding the Fourth Proportional to 6,441.84, 8,886.75 and 4,455.18

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Solution

The fourth proportional to 6,441.84, 8,886.75 and 4,455.18 is: 6,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.84 : 8,886.75 = 4,455.18 : x
  2. Step 2: Convert to fraction form
    6,441.84/8,886.75 = 4,455.18/x
  3. Step 3: Cross multiply
    6,441.84x = 8,886.75 × 4,455.18
  4. Step 4: Simplify right side
    6,441.84x = 39,592,070.87
  5. Step 5: Solve for x
    x = 39,592,070.87/6,441.84
  6. Step 6: Final answer
    x = 6,146.08

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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.