Home / 6,512.77-8,987.61-3,528.59

Finding the Fourth Proportional to 6,512.77, 8,987.61 and 3,528.59

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Solution

The fourth proportional to 6,512.77, 8,987.61 and 3,528.59 is: 4,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.77 : 8,987.61 = 3,528.59 : x
  2. Step 2: Convert to fraction form
    6,512.77/8,987.61 = 3,528.59/x
  3. Step 3: Cross multiply
    6,512.77x = 8,987.61 × 3,528.59
  4. Step 4: Simplify right side
    6,512.77x = 31,713,590.77
  5. Step 5: Solve for x
    x = 31,713,590.77/6,512.77
  6. Step 6: Final answer
    x = 4,869.45

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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.