Home / 7,457.90-11,191.93-3,947.76

Finding the Fourth Proportional to 7,457.90, 11,191.93 and 3,947.76

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Solution

The fourth proportional to 7,457.90, 11,191.93 and 3,947.76 is: 5,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.90 : 11,191.93 = 3,947.76 : x
  2. Step 2: Convert to fraction form
    7,457.90/11,191.93 = 3,947.76/x
  3. Step 3: Cross multiply
    7,457.90x = 11,191.93 × 3,947.76
  4. Step 4: Simplify right side
    7,457.90x = 44,183,043.71
  5. Step 5: Solve for x
    x = 44,183,043.71/7,457.90
  6. Step 6: Final answer
    x = 5,924.33

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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.