Home / 7,870.88-10,860.66-4,467.37

Finding the Fourth Proportional to 7,870.88, 10,860.66 and 4,467.37

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Solution

The fourth proportional to 7,870.88, 10,860.66 and 4,467.37 is: 6,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.88 : 10,860.66 = 4,467.37 : x
  2. Step 2: Convert to fraction form
    7,870.88/10,860.66 = 4,467.37/x
  3. Step 3: Cross multiply
    7,870.88x = 10,860.66 × 4,467.37
  4. Step 4: Simplify right side
    7,870.88x = 48,518,532.36
  5. Step 5: Solve for x
    x = 48,518,532.36/7,870.88
  6. Step 6: Final answer
    x = 6,164.31

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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.