Home / 7,116.73-10,678.18-2,957.65

Finding the Fourth Proportional to 7,116.73, 10,678.18 and 2,957.65

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Solution

The fourth proportional to 7,116.73, 10,678.18 and 2,957.65 is: 4,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.73 : 10,678.18 = 2,957.65 : x
  2. Step 2: Convert to fraction form
    7,116.73/10,678.18 = 2,957.65/x
  3. Step 3: Cross multiply
    7,116.73x = 10,678.18 × 2,957.65
  4. Step 4: Simplify right side
    7,116.73x = 31,582,319.08
  5. Step 5: Solve for x
    x = 31,582,319.08/7,116.73
  6. Step 6: Final answer
    x = 4,437.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.