Home / 6,270.20-9,405.30-5,298.20

Finding the Fourth Proportional to 6,270.20, 9,405.30 and 5,298.20

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Solution

The fourth proportional to 6,270.20, 9,405.30 and 5,298.20 is: 7,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.20 : 9,405.30 = 5,298.20 : x
  2. Step 2: Convert to fraction form
    6,270.20/9,405.30 = 5,298.20/x
  3. Step 3: Cross multiply
    6,270.20x = 9,405.30 × 5,298.20
  4. Step 4: Simplify right side
    6,270.20x = 49,831,160.46
  5. Step 5: Solve for x
    x = 49,831,160.46/6,270.20
  6. Step 6: Final answer
    x = 7,947.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.