Home / 4,296.06-6,442.47-1,987.56

Finding the Fourth Proportional to 4,296.06, 6,442.47 and 1,987.56

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Solution

The fourth proportional to 4,296.06, 6,442.47 and 1,987.56 is: 2,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,296.06 : 6,442.47 = 1,987.56 : x
  2. Step 2: Convert to fraction form
    4,296.06/6,442.47 = 1,987.56/x
  3. Step 3: Cross multiply
    4,296.06x = 6,442.47 × 1,987.56
  4. Step 4: Simplify right side
    4,296.06x = 12,804,795.67
  5. Step 5: Solve for x
    x = 12,804,795.67/4,296.06
  6. Step 6: Final answer
    x = 2,980.59

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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.