Home / 8,210.16-11,329.88-4,672.89

Finding the Fourth Proportional to 8,210.16, 11,329.88 and 4,672.89

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Solution

The fourth proportional to 8,210.16, 11,329.88 and 4,672.89 is: 6,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.16 : 11,329.88 = 4,672.89 : x
  2. Step 2: Convert to fraction form
    8,210.16/11,329.88 = 4,672.89/x
  3. Step 3: Cross multiply
    8,210.16x = 11,329.88 × 4,672.89
  4. Step 4: Simplify right side
    8,210.16x = 52,943,259.59
  5. Step 5: Solve for x
    x = 52,943,259.59/8,210.16
  6. Step 6: Final answer
    x = 6,448.51

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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.