Home / 4,485.93-6,718.47-4,330.21

Finding the Fourth Proportional to 4,485.93, 6,718.47 and 4,330.21

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Solution

The fourth proportional to 4,485.93, 6,718.47 and 4,330.21 is: 6,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.93 : 6,718.47 = 4,330.21 : x
  2. Step 2: Convert to fraction form
    4,485.93/6,718.47 = 4,330.21/x
  3. Step 3: Cross multiply
    4,485.93x = 6,718.47 × 4,330.21
  4. Step 4: Simplify right side
    4,485.93x = 29,092,377.72
  5. Step 5: Solve for x
    x = 29,092,377.72/4,485.93
  6. Step 6: Final answer
    x = 6,485.25

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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.