Home / 6,983.40-10,457.26-6,775.62

Finding the Fourth Proportional to 6,983.40, 10,457.26 and 6,775.62

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Solution

The fourth proportional to 6,983.40, 10,457.26 and 6,775.62 is: 10,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.40 : 10,457.26 = 6,775.62 : x
  2. Step 2: Convert to fraction form
    6,983.40/10,457.26 = 6,775.62/x
  3. Step 3: Cross multiply
    6,983.40x = 10,457.26 × 6,775.62
  4. Step 4: Simplify right side
    6,983.40x = 70,854,420.00
  5. Step 5: Solve for x
    x = 70,854,420.00/6,983.40
  6. Step 6: Final answer
    x = 10,146.12

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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.