Home / 4,290.34-6,435.52-1,368.88

Finding the Fourth Proportional to 4,290.34, 6,435.52 and 1,368.88

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Solution

The fourth proportional to 4,290.34, 6,435.52 and 1,368.88 is: 2,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.34 : 6,435.52 = 1,368.88 : x
  2. Step 2: Convert to fraction form
    4,290.34/6,435.52 = 1,368.88/x
  3. Step 3: Cross multiply
    4,290.34x = 6,435.52 × 1,368.88
  4. Step 4: Simplify right side
    4,290.34x = 8,809,454.62
  5. Step 5: Solve for x
    x = 8,809,454.62/4,290.34
  6. Step 6: Final answer
    x = 2,053.32

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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.