Home / 6,984.96-10,433.28-5,429.76

Finding the Fourth Proportional to 6,984.96, 10,433.28 and 5,429.76

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Solution

The fourth proportional to 6,984.96, 10,433.28 and 5,429.76 is: 8,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.96 : 10,433.28 = 5,429.76 : x
  2. Step 2: Convert to fraction form
    6,984.96/10,433.28 = 5,429.76/x
  3. Step 3: Cross multiply
    6,984.96x = 10,433.28 × 5,429.76
  4. Step 4: Simplify right side
    6,984.96x = 56,650,206.41
  5. Step 5: Solve for x
    x = 56,650,206.41/6,984.96
  6. Step 6: Final answer
    x = 8,110.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.