Home / 4,721.60-6,515.28-2,625.60

Finding the Fourth Proportional to 4,721.60, 6,515.28 and 2,625.60

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Solution

The fourth proportional to 4,721.60, 6,515.28 and 2,625.60 is: 3,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.60 : 6,515.28 = 2,625.60 : x
  2. Step 2: Convert to fraction form
    4,721.60/6,515.28 = 2,625.60/x
  3. Step 3: Cross multiply
    4,721.60x = 6,515.28 × 2,625.60
  4. Step 4: Simplify right side
    4,721.60x = 17,106,519.17
  5. Step 5: Solve for x
    x = 17,106,519.17/4,721.60
  6. Step 6: Final answer
    x = 3,623.03

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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.