Home / 4,880.19-6,734.71-2,642.11

Finding the Fourth Proportional to 4,880.19, 6,734.71 and 2,642.11

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Solution

The fourth proportional to 4,880.19, 6,734.71 and 2,642.11 is: 3,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.19 : 6,734.71 = 2,642.11 : x
  2. Step 2: Convert to fraction form
    4,880.19/6,734.71 = 2,642.11/x
  3. Step 3: Cross multiply
    4,880.19x = 6,734.71 × 2,642.11
  4. Step 4: Simplify right side
    4,880.19x = 17,793,827.80
  5. Step 5: Solve for x
    x = 17,793,827.80/4,880.19
  6. Step 6: Final answer
    x = 3,646.14

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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.