Home / 4,235.78-6,354.28-1,314.32

Finding the Fourth Proportional to 4,235.78, 6,354.28 and 1,314.32

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Solution

The fourth proportional to 4,235.78, 6,354.28 and 1,314.32 is: 1,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.78 : 6,354.28 = 1,314.32 : x
  2. Step 2: Convert to fraction form
    4,235.78/6,354.28 = 1,314.32/x
  3. Step 3: Cross multiply
    4,235.78x = 6,354.28 × 1,314.32
  4. Step 4: Simplify right side
    4,235.78x = 8,351,557.29
  5. Step 5: Solve for x
    x = 8,351,557.29/4,235.78
  6. Step 6: Final answer
    x = 1,971.67

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Double scale
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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.