Home / 4,606.89-6,910.74-1,320.09

Finding the Fourth Proportional to 4,606.89, 6,910.74 and 1,320.09

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Solution

The fourth proportional to 4,606.89, 6,910.74 and 1,320.09 is: 1,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,606.89 : 6,910.74 = 1,320.09 : x
  2. Step 2: Convert to fraction form
    4,606.89/6,910.74 = 1,320.09/x
  3. Step 3: Cross multiply
    4,606.89x = 6,910.74 × 1,320.09
  4. Step 4: Simplify right side
    4,606.89x = 9,122,798.77
  5. Step 5: Solve for x
    x = 9,122,798.77/4,606.89
  6. Step 6: Final answer
    x = 1,980.25

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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.