Home / 7,384.90-10,191.18-4,027.72

Finding the Fourth Proportional to 7,384.90, 10,191.18 and 4,027.72

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Solution

The fourth proportional to 7,384.90, 10,191.18 and 4,027.72 is: 5,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.90 : 10,191.18 = 4,027.72 : x
  2. Step 2: Convert to fraction form
    7,384.90/10,191.18 = 4,027.72/x
  3. Step 3: Cross multiply
    7,384.90x = 10,191.18 × 4,027.72
  4. Step 4: Simplify right side
    7,384.90x = 41,047,219.51
  5. Step 5: Solve for x
    x = 41,047,219.51/7,384.90
  6. Step 6: Final answer
    x = 5,558.26

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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.