Home / 5,323.24-7,345.65-3,085.21

Finding the Fourth Proportional to 5,323.24, 7,345.65 and 3,085.21

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Solution

The fourth proportional to 5,323.24, 7,345.65 and 3,085.21 is: 4,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.24 : 7,345.65 = 3,085.21 : x
  2. Step 2: Convert to fraction form
    5,323.24/7,345.65 = 3,085.21/x
  3. Step 3: Cross multiply
    5,323.24x = 7,345.65 × 3,085.21
  4. Step 4: Simplify right side
    5,323.24x = 22,662,872.84
  5. Step 5: Solve for x
    x = 22,662,872.84/5,323.24
  6. Step 6: Final answer
    x = 4,257.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.