Home / 4,006.90-5,528.47-2,748.35

Finding the Fourth Proportional to 4,006.90, 5,528.47 and 2,748.35

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Solution

The fourth proportional to 4,006.90, 5,528.47 and 2,748.35 is: 3,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.90 : 5,528.47 = 2,748.35 : x
  2. Step 2: Convert to fraction form
    4,006.90/5,528.47 = 2,748.35/x
  3. Step 3: Cross multiply
    4,006.90x = 5,528.47 × 2,748.35
  4. Step 4: Simplify right side
    4,006.90x = 15,194,151.53
  5. Step 5: Solve for x
    x = 15,194,151.53/4,006.90
  6. Step 6: Final answer
    x = 3,792.00

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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.