Home / 7,678.50-10,595.79-4,695.18

Finding the Fourth Proportional to 7,678.50, 10,595.79 and 4,695.18

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Solution

The fourth proportional to 7,678.50, 10,595.79 and 4,695.18 is: 6,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.50 : 10,595.79 = 4,695.18 : x
  2. Step 2: Convert to fraction form
    7,678.50/10,595.79 = 4,695.18/x
  3. Step 3: Cross multiply
    7,678.50x = 10,595.79 × 4,695.18
  4. Step 4: Simplify right side
    7,678.50x = 49,749,141.29
  5. Step 5: Solve for x
    x = 49,749,141.29/7,678.50
  6. Step 6: Final answer
    x = 6,479.02

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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.