Home / 4,988.32-6,880.08-3,813.28

Finding the Fourth Proportional to 4,988.32, 6,880.08 and 3,813.28

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Solution

The fourth proportional to 4,988.32, 6,880.08 and 3,813.28 is: 5,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.32 : 6,880.08 = 3,813.28 : x
  2. Step 2: Convert to fraction form
    4,988.32/6,880.08 = 3,813.28/x
  3. Step 3: Cross multiply
    4,988.32x = 6,880.08 × 3,813.28
  4. Step 4: Simplify right side
    4,988.32x = 26,235,671.46
  5. Step 5: Solve for x
    x = 26,235,671.46/4,988.32
  6. Step 6: Final answer
    x = 5,259.42

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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.