Home / 7,664.83-10,577.56-4,639.91

Finding the Fourth Proportional to 7,664.83, 10,577.56 and 4,639.91

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Solution

The fourth proportional to 7,664.83, 10,577.56 and 4,639.91 is: 6,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.83 : 10,577.56 = 4,639.91 : x
  2. Step 2: Convert to fraction form
    7,664.83/10,577.56 = 4,639.91/x
  3. Step 3: Cross multiply
    7,664.83x = 10,577.56 × 4,639.91
  4. Step 4: Simplify right side
    7,664.83x = 49,078,926.42
  5. Step 5: Solve for x
    x = 49,078,926.42/7,664.83
  6. Step 6: Final answer
    x = 6,403.13

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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.