Home / 7,853-10,836.66-4,315.88

Finding the Fourth Proportional to 7,853, 10,836.66 and 4,315.88

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Solution

The fourth proportional to 7,853, 10,836.66 and 4,315.88 is: 5,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853 : 10,836.66 = 4,315.88 : x
  2. Step 2: Convert to fraction form
    7,853/10,836.66 = 4,315.88/x
  3. Step 3: Cross multiply
    7,853x = 10,836.66 × 4,315.88
  4. Step 4: Simplify right side
    7,853x = 46,769,724.16
  5. Step 5: Solve for x
    x = 46,769,724.16/7,853
  6. Step 6: Final answer
    x = 5,955.65

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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.