Home / 6,347.28-9,518.69-1,903.62

Finding the Fourth Proportional to 6,347.28, 9,518.69 and 1,903.62

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Solution

The fourth proportional to 6,347.28, 9,518.69 and 1,903.62 is: 2,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.28 : 9,518.69 = 1,903.62 : x
  2. Step 2: Convert to fraction form
    6,347.28/9,518.69 = 1,903.62/x
  3. Step 3: Cross multiply
    6,347.28x = 9,518.69 × 1,903.62
  4. Step 4: Simplify right side
    6,347.28x = 18,119,968.66
  5. Step 5: Solve for x
    x = 18,119,968.66/6,347.28
  6. Step 6: Final answer
    x = 2,854.76

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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.