Home / 6,485.19-9,718.38-3,521.13

Finding the Fourth Proportional to 6,485.19, 9,718.38 and 3,521.13

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Solution

The fourth proportional to 6,485.19, 9,718.38 and 3,521.13 is: 5,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.19 : 9,718.38 = 3,521.13 : x
  2. Step 2: Convert to fraction form
    6,485.19/9,718.38 = 3,521.13/x
  3. Step 3: Cross multiply
    6,485.19x = 9,718.38 × 3,521.13
  4. Step 4: Simplify right side
    6,485.19x = 34,219,679.37
  5. Step 5: Solve for x
    x = 34,219,679.37/6,485.19
  6. Step 6: Final answer
    x = 5,276.59

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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.