Home / 4,860.32-7,290.96-1,398.08

Finding the Fourth Proportional to 4,860.32, 7,290.96 and 1,398.08

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Solution

The fourth proportional to 4,860.32, 7,290.96 and 1,398.08 is: 2,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.32 : 7,290.96 = 1,398.08 : x
  2. Step 2: Convert to fraction form
    4,860.32/7,290.96 = 1,398.08/x
  3. Step 3: Cross multiply
    4,860.32x = 7,290.96 × 1,398.08
  4. Step 4: Simplify right side
    4,860.32x = 10,193,345.36
  5. Step 5: Solve for x
    x = 10,193,345.36/4,860.32
  6. Step 6: Final answer
    x = 2,097.26

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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.