Home / 7,385.10-10,191.28-4,027.93

Finding the Fourth Proportional to 7,385.10, 10,191.28 and 4,027.93

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Solution

The fourth proportional to 7,385.10, 10,191.28 and 4,027.93 is: 5,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.10 : 10,191.28 = 4,027.93 : x
  2. Step 2: Convert to fraction form
    7,385.10/10,191.28 = 4,027.93/x
  3. Step 3: Cross multiply
    7,385.10x = 10,191.28 × 4,027.93
  4. Step 4: Simplify right side
    7,385.10x = 41,049,762.45
  5. Step 5: Solve for x
    x = 41,049,762.45/7,385.10
  6. Step 6: Final answer
    x = 5,558.46

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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.