Home / 7,620.84-10,513.80-4,787.04

Finding the Fourth Proportional to 7,620.84, 10,513.80 and 4,787.04

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Solution

The fourth proportional to 7,620.84, 10,513.80 and 4,787.04 is: 6,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.84 : 10,513.80 = 4,787.04 : x
  2. Step 2: Convert to fraction form
    7,620.84/10,513.80 = 4,787.04/x
  3. Step 3: Cross multiply
    7,620.84x = 10,513.80 × 4,787.04
  4. Step 4: Simplify right side
    7,620.84x = 50,329,981.15
  5. Step 5: Solve for x
    x = 50,329,981.15/7,620.84
  6. Step 6: Final answer
    x = 6,604.26

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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.