Home / 6,860.89-10,289.79-4,088.35

Finding the Fourth Proportional to 6,860.89, 10,289.79 and 4,088.35

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Solution

The fourth proportional to 6,860.89, 10,289.79 and 4,088.35 is: 6,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.89 : 10,289.79 = 4,088.35 : x
  2. Step 2: Convert to fraction form
    6,860.89/10,289.79 = 4,088.35/x
  3. Step 3: Cross multiply
    6,860.89x = 10,289.79 × 4,088.35
  4. Step 4: Simplify right side
    6,860.89x = 42,068,237.22
  5. Step 5: Solve for x
    x = 42,068,237.22/6,860.89
  6. Step 6: Final answer
    x = 6,131.60

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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.