Home / 6,270.04-8,648.90-4,145.60

Finding the Fourth Proportional to 6,270.04, 8,648.90 and 4,145.60

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Solution

The fourth proportional to 6,270.04, 8,648.90 and 4,145.60 is: 5,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.04 : 8,648.90 = 4,145.60 : x
  2. Step 2: Convert to fraction form
    6,270.04/8,648.90 = 4,145.60/x
  3. Step 3: Cross multiply
    6,270.04x = 8,648.90 × 4,145.60
  4. Step 4: Simplify right side
    6,270.04x = 35,854,879.84
  5. Step 5: Solve for x
    x = 35,854,879.84/6,270.04
  6. Step 6: Final answer
    x = 5,718.45

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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.