Home / 4,977.06-7,465.62-1,690.20

Finding the Fourth Proportional to 4,977.06, 7,465.62 and 1,690.20

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Solution

The fourth proportional to 4,977.06, 7,465.62 and 1,690.20 is: 2,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.06 : 7,465.62 = 1,690.20 : x
  2. Step 2: Convert to fraction form
    4,977.06/7,465.62 = 1,690.20/x
  3. Step 3: Cross multiply
    4,977.06x = 7,465.62 × 1,690.20
  4. Step 4: Simplify right side
    4,977.06x = 12,618,390.92
  5. Step 5: Solve for x
    x = 12,618,390.92/4,977.06
  6. Step 6: Final answer
    x = 2,535.31

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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.