Home / 4,302.98-6,455.40-1,381.58

Finding the Fourth Proportional to 4,302.98, 6,455.40 and 1,381.58

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Solution

The fourth proportional to 4,302.98, 6,455.40 and 1,381.58 is: 2,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.98 : 6,455.40 = 1,381.58 : x
  2. Step 2: Convert to fraction form
    4,302.98/6,455.40 = 1,381.58/x
  3. Step 3: Cross multiply
    4,302.98x = 6,455.40 × 1,381.58
  4. Step 4: Simplify right side
    4,302.98x = 8,918,651.53
  5. Step 5: Solve for x
    x = 8,918,651.53/4,302.98
  6. Step 6: Final answer
    x = 2,072.67

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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.