Home / 5,285.47-7,293.88-3,047.35

Finding the Fourth Proportional to 5,285.47, 7,293.88 and 3,047.35

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Solution

The fourth proportional to 5,285.47, 7,293.88 and 3,047.35 is: 4,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.47 : 7,293.88 = 3,047.35 : x
  2. Step 2: Convert to fraction form
    5,285.47/7,293.88 = 3,047.35/x
  3. Step 3: Cross multiply
    5,285.47x = 7,293.88 × 3,047.35
  4. Step 4: Simplify right side
    5,285.47x = 22,226,989.98
  5. Step 5: Solve for x
    x = 22,226,989.98/5,285.47
  6. Step 6: Final answer
    x = 4,205.30

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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.