Home / 5,723.55-7,901.21-4,307.79

Finding the Fourth Proportional to 5,723.55, 7,901.21 and 4,307.79

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Solution

The fourth proportional to 5,723.55, 7,901.21 and 4,307.79 is: 5,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.55 : 7,901.21 = 4,307.79 : x
  2. Step 2: Convert to fraction form
    5,723.55/7,901.21 = 4,307.79/x
  3. Step 3: Cross multiply
    5,723.55x = 7,901.21 × 4,307.79
  4. Step 4: Simplify right side
    5,723.55x = 34,036,753.43
  5. Step 5: Solve for x
    x = 34,036,753.43/5,723.55
  6. Step 6: Final answer
    x = 5,946.79

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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.