Home / 7,994.28-11,032.10-4,457.72

Finding the Fourth Proportional to 7,994.28, 11,032.10 and 4,457.72

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Solution

The fourth proportional to 7,994.28, 11,032.10 and 4,457.72 is: 6,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.28 : 11,032.10 = 4,457.72 : x
  2. Step 2: Convert to fraction form
    7,994.28/11,032.10 = 4,457.72/x
  3. Step 3: Cross multiply
    7,994.28x = 11,032.10 × 4,457.72
  4. Step 4: Simplify right side
    7,994.28x = 49,178,012.81
  5. Step 5: Solve for x
    x = 49,178,012.81/7,994.28
  6. Step 6: Final answer
    x = 6,151.65

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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.