Home / 6,621.03-9,931.95-2,725.74

Finding the Fourth Proportional to 6,621.03, 9,931.95 and 2,725.74

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Solution

The fourth proportional to 6,621.03, 9,931.95 and 2,725.74 is: 4,088.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.03 : 9,931.95 = 2,725.74 : x
  2. Step 2: Convert to fraction form
    6,621.03/9,931.95 = 2,725.74/x
  3. Step 3: Cross multiply
    6,621.03x = 9,931.95 × 2,725.74
  4. Step 4: Simplify right side
    6,621.03x = 27,071,913.39
  5. Step 5: Solve for x
    x = 27,071,913.39/6,621.03
  6. Step 6: Final answer
    x = 4,088.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.