Home / 7,864.48-11,798.34-6,574.96

Finding the Fourth Proportional to 7,864.48, 11,798.34 and 6,574.96

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Solution

The fourth proportional to 7,864.48, 11,798.34 and 6,574.96 is: 9,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.48 : 11,798.34 = 6,574.96 : x
  2. Step 2: Convert to fraction form
    7,864.48/11,798.34 = 6,574.96/x
  3. Step 3: Cross multiply
    7,864.48x = 11,798.34 × 6,574.96
  4. Step 4: Simplify right side
    7,864.48x = 77,573,613.57
  5. Step 5: Solve for x
    x = 77,573,613.57/7,864.48
  6. Step 6: Final answer
    x = 9,863.79

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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.