Home / 6,987.94-9,641.18-4,296.36

Finding the Fourth Proportional to 6,987.94, 9,641.18 and 4,296.36

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Solution

The fourth proportional to 6,987.94, 9,641.18 and 4,296.36 is: 5,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.94 : 9,641.18 = 4,296.36 : x
  2. Step 2: Convert to fraction form
    6,987.94/9,641.18 = 4,296.36/x
  3. Step 3: Cross multiply
    6,987.94x = 9,641.18 × 4,296.36
  4. Step 4: Simplify right side
    6,987.94x = 41,421,980.10
  5. Step 5: Solve for x
    x = 41,421,980.10/6,987.94
  6. Step 6: Final answer
    x = 5,927.64

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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.