Home / 4,690.71-7,037.32-1,403.84

Finding the Fourth Proportional to 4,690.71, 7,037.32 and 1,403.84

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Solution

The fourth proportional to 4,690.71, 7,037.32 and 1,403.84 is: 2,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.71 : 7,037.32 = 1,403.84 : x
  2. Step 2: Convert to fraction form
    4,690.71/7,037.32 = 1,403.84/x
  3. Step 3: Cross multiply
    4,690.71x = 7,037.32 × 1,403.84
  4. Step 4: Simplify right side
    4,690.71x = 9,879,271.31
  5. Step 5: Solve for x
    x = 9,879,271.31/4,690.71
  6. Step 6: Final answer
    x = 2,106.14

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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.