Home / 4,980.10-7,468.37-1,647.74

Finding the Fourth Proportional to 4,980.10, 7,468.37 and 1,647.74

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Solution

The fourth proportional to 4,980.10, 7,468.37 and 1,647.74 is: 2,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.10 : 7,468.37 = 1,647.74 : x
  2. Step 2: Convert to fraction form
    4,980.10/7,468.37 = 1,647.74/x
  3. Step 3: Cross multiply
    4,980.10x = 7,468.37 × 1,647.74
  4. Step 4: Simplify right side
    4,980.10x = 12,305,886.40
  5. Step 5: Solve for x
    x = 12,305,886.40/4,980.10
  6. Step 6: Final answer
    x = 2,471.01

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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.