Home / 5,285.81-7,294.33-3,047.51

Finding the Fourth Proportional to 5,285.81, 7,294.33 and 3,047.51

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Solution

The fourth proportional to 5,285.81, 7,294.33 and 3,047.51 is: 4,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.81 : 7,294.33 = 3,047.51 : x
  2. Step 2: Convert to fraction form
    5,285.81/7,294.33 = 3,047.51/x
  3. Step 3: Cross multiply
    5,285.81x = 7,294.33 × 3,047.51
  4. Step 4: Simplify right side
    5,285.81x = 22,229,543.62
  5. Step 5: Solve for x
    x = 22,229,543.62/5,285.81
  6. Step 6: Final answer
    x = 4,205.51

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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.