Home / 4,886.16-7,329.18-1,188.39

Finding the Fourth Proportional to 4,886.16, 7,329.18 and 1,188.39

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Solution

The fourth proportional to 4,886.16, 7,329.18 and 1,188.39 is: 1,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.16 : 7,329.18 = 1,188.39 : x
  2. Step 2: Convert to fraction form
    4,886.16/7,329.18 = 1,188.39/x
  3. Step 3: Cross multiply
    4,886.16x = 7,329.18 × 1,188.39
  4. Step 4: Simplify right side
    4,886.16x = 8,709,924.22
  5. Step 5: Solve for x
    x = 8,709,924.22/4,886.16
  6. Step 6: Final answer
    x = 1,782.57

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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.