Home / 4,307.05-6,460.60-1,187.22

Finding the Fourth Proportional to 4,307.05, 6,460.60 and 1,187.22

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Solution

The fourth proportional to 4,307.05, 6,460.60 and 1,187.22 is: 1,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.05 : 6,460.60 = 1,187.22 : x
  2. Step 2: Convert to fraction form
    4,307.05/6,460.60 = 1,187.22/x
  3. Step 3: Cross multiply
    4,307.05x = 6,460.60 × 1,187.22
  4. Step 4: Simplify right side
    4,307.05x = 7,670,180.36
  5. Step 5: Solve for x
    x = 7,670,180.36/4,307.05
  6. Step 6: Final answer
    x = 1,780.84

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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.