Home / 7,816.54-10,787.69-4,460.18

Finding the Fourth Proportional to 7,816.54, 10,787.69 and 4,460.18

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Solution

The fourth proportional to 7,816.54, 10,787.69 and 4,460.18 is: 6,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.54 : 10,787.69 = 4,460.18 : x
  2. Step 2: Convert to fraction form
    7,816.54/10,787.69 = 4,460.18/x
  3. Step 3: Cross multiply
    7,816.54x = 10,787.69 × 4,460.18
  4. Step 4: Simplify right side
    7,816.54x = 48,115,039.18
  5. Step 5: Solve for x
    x = 48,115,039.18/7,816.54
  6. Step 6: Final answer
    x = 6,155.54

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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.