Home / 6,864.79-9,470.39-4,625.85

Finding the Fourth Proportional to 6,864.79, 9,470.39 and 4,625.85

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Solution

The fourth proportional to 6,864.79, 9,470.39 and 4,625.85 is: 6,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.79 : 9,470.39 = 4,625.85 : x
  2. Step 2: Convert to fraction form
    6,864.79/9,470.39 = 4,625.85/x
  3. Step 3: Cross multiply
    6,864.79x = 9,470.39 × 4,625.85
  4. Step 4: Simplify right side
    6,864.79x = 43,808,588.41
  5. Step 5: Solve for x
    x = 43,808,588.41/6,864.79
  6. Step 6: Final answer
    x = 6,381.64

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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.