Home / 6,999.48-10,491.30-3,298.20

Finding the Fourth Proportional to 6,999.48, 10,491.30 and 3,298.20

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Solution

The fourth proportional to 6,999.48, 10,491.30 and 3,298.20 is: 4,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.48 : 10,491.30 = 3,298.20 : x
  2. Step 2: Convert to fraction form
    6,999.48/10,491.30 = 3,298.20/x
  3. Step 3: Cross multiply
    6,999.48x = 10,491.30 × 3,298.20
  4. Step 4: Simplify right side
    6,999.48x = 34,602,405.66
  5. Step 5: Solve for x
    x = 34,602,405.66/6,999.48
  6. Step 6: Final answer
    x = 4,943.57

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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.