Home / 4,088.20-5,643.45-2,763.70

Finding the Fourth Proportional to 4,088.20, 5,643.45 and 2,763.70

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Solution

The fourth proportional to 4,088.20, 5,643.45 and 2,763.70 is: 3,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.20 : 5,643.45 = 2,763.70 : x
  2. Step 2: Convert to fraction form
    4,088.20/5,643.45 = 2,763.70/x
  3. Step 3: Cross multiply
    4,088.20x = 5,643.45 × 2,763.70
  4. Step 4: Simplify right side
    4,088.20x = 15,596,802.77
  5. Step 5: Solve for x
    x = 15,596,802.77/4,088.20
  6. Step 6: Final answer
    x = 3,815.08

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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.