Home / 9,767.80-14,646.30-4,220.20

Finding the Fourth Proportional to 9,767.80, 14,646.30 and 4,220.20

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Solution

The fourth proportional to 9,767.80, 14,646.30 and 4,220.20 is: 6,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.80 : 14,646.30 = 4,220.20 : x
  2. Step 2: Convert to fraction form
    9,767.80/14,646.30 = 4,220.20/x
  3. Step 3: Cross multiply
    9,767.80x = 14,646.30 × 4,220.20
  4. Step 4: Simplify right side
    9,767.80x = 61,810,315.26
  5. Step 5: Solve for x
    x = 61,810,315.26/9,767.80
  6. Step 6: Final answer
    x = 6,327.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.