Home / 7,712.19-10,646.52-4,880.94

Finding the Fourth Proportional to 7,712.19, 10,646.52 and 4,880.94

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Solution

The fourth proportional to 7,712.19, 10,646.52 and 4,880.94 is: 6,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.19 : 10,646.52 = 4,880.94 : x
  2. Step 2: Convert to fraction form
    7,712.19/10,646.52 = 4,880.94/x
  3. Step 3: Cross multiply
    7,712.19x = 10,646.52 × 4,880.94
  4. Step 4: Simplify right side
    7,712.19x = 51,964,994.56
  5. Step 5: Solve for x
    x = 51,964,994.56/7,712.19
  6. Step 6: Final answer
    x = 6,738.03

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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.