Home / 8,964.15-12,370.22-4,985.18

Finding the Fourth Proportional to 8,964.15, 12,370.22 and 4,985.18

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Solution

The fourth proportional to 8,964.15, 12,370.22 and 4,985.18 is: 6,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.15 : 12,370.22 = 4,985.18 : x
  2. Step 2: Convert to fraction form
    8,964.15/12,370.22 = 4,985.18/x
  3. Step 3: Cross multiply
    8,964.15x = 12,370.22 × 4,985.18
  4. Step 4: Simplify right side
    8,964.15x = 61,667,686.56
  5. Step 5: Solve for x
    x = 61,667,686.56/8,964.15
  6. Step 6: Final answer
    x = 6,879.37

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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.