Home / 5,065.55-6,990.13-2,827.32

Finding the Fourth Proportional to 5,065.55, 6,990.13 and 2,827.32

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Solution

The fourth proportional to 5,065.55, 6,990.13 and 2,827.32 is: 3,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.55 : 6,990.13 = 2,827.32 : x
  2. Step 2: Convert to fraction form
    5,065.55/6,990.13 = 2,827.32/x
  3. Step 3: Cross multiply
    5,065.55x = 6,990.13 × 2,827.32
  4. Step 4: Simplify right side
    5,065.55x = 19,763,334.35
  5. Step 5: Solve for x
    x = 19,763,334.35/5,065.55
  6. Step 6: Final answer
    x = 3,901.52

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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.