Home / 6,485.58-9,719.91-2,974.32

Finding the Fourth Proportional to 6,485.58, 9,719.91 and 2,974.32

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Solution

The fourth proportional to 6,485.58, 9,719.91 and 2,974.32 is: 4,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.58 : 9,719.91 = 2,974.32 : x
  2. Step 2: Convert to fraction form
    6,485.58/9,719.91 = 2,974.32/x
  3. Step 3: Cross multiply
    6,485.58x = 9,719.91 × 2,974.32
  4. Step 4: Simplify right side
    6,485.58x = 28,910,122.71
  5. Step 5: Solve for x
    x = 28,910,122.71/6,485.58
  6. Step 6: Final answer
    x = 4,457.60

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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.