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Finding the Fourth Proportional to 4,465, 6,697.59 and 1,867.96

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Solution

The fourth proportional to 4,465, 6,697.59 and 1,867.96 is: 2,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,465 : 6,697.59 = 1,867.96 : x
  2. Step 2: Convert to fraction form
    4,465/6,697.59 = 1,867.96/x
  3. Step 3: Cross multiply
    4,465x = 6,697.59 × 1,867.96
  4. Step 4: Simplify right side
    4,465x = 12,510,830.22
  5. Step 5: Solve for x
    x = 12,510,830.22/4,465
  6. Step 6: Final answer
    x = 2,801.98

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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.