Home / 4,390.89-6,060.49-3,681.60

Finding the Fourth Proportional to 4,390.89, 6,060.49 and 3,681.60

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Solution

The fourth proportional to 4,390.89, 6,060.49 and 3,681.60 is: 5,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.89 : 6,060.49 = 3,681.60 : x
  2. Step 2: Convert to fraction form
    4,390.89/6,060.49 = 3,681.60/x
  3. Step 3: Cross multiply
    4,390.89x = 6,060.49 × 3,681.60
  4. Step 4: Simplify right side
    4,390.89x = 22,312,268.05
  5. Step 5: Solve for x
    x = 22,312,268.05/4,390.89
  6. Step 6: Final answer
    x = 5,081.50

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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.