Home / 4,500.80-6,206.91-2,985.69

Finding the Fourth Proportional to 4,500.80, 6,206.91 and 2,985.69

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Solution

The fourth proportional to 4,500.80, 6,206.91 and 2,985.69 is: 4,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.80 : 6,206.91 = 2,985.69 : x
  2. Step 2: Convert to fraction form
    4,500.80/6,206.91 = 2,985.69/x
  3. Step 3: Cross multiply
    4,500.80x = 6,206.91 × 2,985.69
  4. Step 4: Simplify right side
    4,500.80x = 18,531,909.12
  5. Step 5: Solve for x
    x = 18,531,909.12/4,500.80
  6. Step 6: Final answer
    x = 4,117.47

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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.