Home / 9,219.23-12,722.51-5,027.48

Finding the Fourth Proportional to 9,219.23, 12,722.51 and 5,027.48

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Solution

The fourth proportional to 9,219.23, 12,722.51 and 5,027.48 is: 6,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.23 : 12,722.51 = 5,027.48 : x
  2. Step 2: Convert to fraction form
    9,219.23/12,722.51 = 5,027.48/x
  3. Step 3: Cross multiply
    9,219.23x = 12,722.51 × 5,027.48
  4. Step 4: Simplify right side
    9,219.23x = 63,962,075.82
  5. Step 5: Solve for x
    x = 63,962,075.82/9,219.23
  6. Step 6: Final answer
    x = 6,937.90

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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.