Home / 6,513.50-8,988.58-3,529.33

Finding the Fourth Proportional to 6,513.50, 8,988.58 and 3,529.33

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Solution

The fourth proportional to 6,513.50, 8,988.58 and 3,529.33 is: 4,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.50 : 8,988.58 = 3,529.33 : x
  2. Step 2: Convert to fraction form
    6,513.50/8,988.58 = 3,529.33/x
  3. Step 3: Cross multiply
    6,513.50x = 8,988.58 × 3,529.33
  4. Step 4: Simplify right side
    6,513.50x = 31,723,602.46
  5. Step 5: Solve for x
    x = 31,723,602.46/6,513.50
  6. Step 6: Final answer
    x = 4,870.44

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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.