Home / 5,659.71-7,810.45-3,423.08

Finding the Fourth Proportional to 5,659.71, 7,810.45 and 3,423.08

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Solution

The fourth proportional to 5,659.71, 7,810.45 and 3,423.08 is: 4,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.71 : 7,810.45 = 3,423.08 : x
  2. Step 2: Convert to fraction form
    5,659.71/7,810.45 = 3,423.08/x
  3. Step 3: Cross multiply
    5,659.71x = 7,810.45 × 3,423.08
  4. Step 4: Simplify right side
    5,659.71x = 26,735,806.15
  5. Step 5: Solve for x
    x = 26,735,806.15/5,659.71
  6. Step 6: Final answer
    x = 4,723.89

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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.