Home / 7,787.52-10,746.81-4,251.06

Finding the Fourth Proportional to 7,787.52, 10,746.81 and 4,251.06

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Solution

The fourth proportional to 7,787.52, 10,746.81 and 4,251.06 is: 5,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.52 : 10,746.81 = 4,251.06 : x
  2. Step 2: Convert to fraction form
    7,787.52/10,746.81 = 4,251.06/x
  3. Step 3: Cross multiply
    7,787.52x = 10,746.81 × 4,251.06
  4. Step 4: Simplify right side
    7,787.52x = 45,685,334.12
  5. Step 5: Solve for x
    x = 45,685,334.12/7,787.52
  6. Step 6: Final answer
    x = 5,866.48

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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.