Home / 4,647.87-6,411.24-2,758.20

Finding the Fourth Proportional to 4,647.87, 6,411.24 and 2,758.20

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Solution

The fourth proportional to 4,647.87, 6,411.24 and 2,758.20 is: 3,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.87 : 6,411.24 = 2,758.20 : x
  2. Step 2: Convert to fraction form
    4,647.87/6,411.24 = 2,758.20/x
  3. Step 3: Cross multiply
    4,647.87x = 6,411.24 × 2,758.20
  4. Step 4: Simplify right side
    4,647.87x = 17,683,484.41
  5. Step 5: Solve for x
    x = 17,683,484.41/4,647.87
  6. Step 6: Final answer
    x = 3,804.65

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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.