Home / 7,921.95-11,873.34-4,411.77

Finding the Fourth Proportional to 7,921.95, 11,873.34 and 4,411.77

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Solution

The fourth proportional to 7,921.95, 11,873.34 and 4,411.77 is: 6,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.95 : 11,873.34 = 4,411.77 : x
  2. Step 2: Convert to fraction form
    7,921.95/11,873.34 = 4,411.77/x
  3. Step 3: Cross multiply
    7,921.95x = 11,873.34 × 4,411.77
  4. Step 4: Simplify right side
    7,921.95x = 52,382,445.21
  5. Step 5: Solve for x
    x = 52,382,445.21/7,921.95
  6. Step 6: Final answer
    x = 6,612.32

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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.