Home / 6,403.08-8,837.46-4,013.40

Finding the Fourth Proportional to 6,403.08, 8,837.46 and 4,013.40

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Solution

The fourth proportional to 6,403.08, 8,837.46 and 4,013.40 is: 5,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.08 : 8,837.46 = 4,013.40 : x
  2. Step 2: Convert to fraction form
    6,403.08/8,837.46 = 4,013.40/x
  3. Step 3: Cross multiply
    6,403.08x = 8,837.46 × 4,013.40
  4. Step 4: Simplify right side
    6,403.08x = 35,468,261.96
  5. Step 5: Solve for x
    x = 35,468,261.96/6,403.08
  6. Step 6: Final answer
    x = 5,539.25

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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.