Home / 6,901.20-9,513.08-5,406.46

Finding the Fourth Proportional to 6,901.20, 9,513.08 and 5,406.46

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Solution

The fourth proportional to 6,901.20, 9,513.08 and 5,406.46 is: 7,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.20 : 9,513.08 = 5,406.46 : x
  2. Step 2: Convert to fraction form
    6,901.20/9,513.08 = 5,406.46/x
  3. Step 3: Cross multiply
    6,901.20x = 9,513.08 × 5,406.46
  4. Step 4: Simplify right side
    6,901.20x = 51,432,086.50
  5. Step 5: Solve for x
    x = 51,432,086.50/6,901.20
  6. Step 6: Final answer
    x = 7,452.63

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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.