Home / 6,521.56-9,782.16-1,904.56

Finding the Fourth Proportional to 6,521.56, 9,782.16 and 1,904.56

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Solution

The fourth proportional to 6,521.56, 9,782.16 and 1,904.56 is: 2,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.56 : 9,782.16 = 1,904.56 : x
  2. Step 2: Convert to fraction form
    6,521.56/9,782.16 = 1,904.56/x
  3. Step 3: Cross multiply
    6,521.56x = 9,782.16 × 1,904.56
  4. Step 4: Simplify right side
    6,521.56x = 18,630,710.65
  5. Step 5: Solve for x
    x = 18,630,710.65/6,521.56
  6. Step 6: Final answer
    x = 2,856.79

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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.