Home / 5,486.06-8,229.40-1,590.77

Finding the Fourth Proportional to 5,486.06, 8,229.40 and 1,590.77

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Solution

The fourth proportional to 5,486.06, 8,229.40 and 1,590.77 is: 2,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.06 : 8,229.40 = 1,590.77 : x
  2. Step 2: Convert to fraction form
    5,486.06/8,229.40 = 1,590.77/x
  3. Step 3: Cross multiply
    5,486.06x = 8,229.40 × 1,590.77
  4. Step 4: Simplify right side
    5,486.06x = 13,091,099.23
  5. Step 5: Solve for x
    x = 13,091,099.23/5,486.06
  6. Step 6: Final answer
    x = 2,386.25

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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.