Home / 6,512.53-8,987.21-3,528.29

Finding the Fourth Proportional to 6,512.53, 8,987.21 and 3,528.29

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Solution

The fourth proportional to 6,512.53, 8,987.21 and 3,528.29 is: 4,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.53 : 8,987.21 = 3,528.29 : x
  2. Step 2: Convert to fraction form
    6,512.53/8,987.21 = 3,528.29/x
  3. Step 3: Cross multiply
    6,512.53x = 8,987.21 × 3,528.29
  4. Step 4: Simplify right side
    6,512.53x = 31,709,483.17
  5. Step 5: Solve for x
    x = 31,709,483.17/6,512.53
  6. Step 6: Final answer
    x = 4,869.00

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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.