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Finding the Fourth Proportional to 6,258.75, 8,639 and 3,607.93

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Solution

The fourth proportional to 6,258.75, 8,639 and 3,607.93 is: 4,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.75 : 8,639 = 3,607.93 : x
  2. Step 2: Convert to fraction form
    6,258.75/8,639 = 3,607.93/x
  3. Step 3: Cross multiply
    6,258.75x = 8,639 × 3,607.93
  4. Step 4: Simplify right side
    6,258.75x = 31,168,907.27
  5. Step 5: Solve for x
    x = 31,168,907.27/6,258.75
  6. Step 6: Final answer
    x = 4,980.05

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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.