Home / 6,860.96-9,458.42-4,870.79

Finding the Fourth Proportional to 6,860.96, 9,458.42 and 4,870.79

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Solution

The fourth proportional to 6,860.96, 9,458.42 and 4,870.79 is: 6,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.96 : 9,458.42 = 4,870.79 : x
  2. Step 2: Convert to fraction form
    6,860.96/9,458.42 = 4,870.79/x
  3. Step 3: Cross multiply
    6,860.96x = 9,458.42 × 4,870.79
  4. Step 4: Simplify right side
    6,860.96x = 46,069,930.26
  5. Step 5: Solve for x
    x = 46,069,930.26/6,860.96
  6. Step 6: Final answer
    x = 6,714.80

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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.