Home / 6,435.60-9,653.40-2,539.50

Finding the Fourth Proportional to 6,435.60, 9,653.40 and 2,539.50

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Solution

The fourth proportional to 6,435.60, 9,653.40 and 2,539.50 is: 3,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.60 : 9,653.40 = 2,539.50 : x
  2. Step 2: Convert to fraction form
    6,435.60/9,653.40 = 2,539.50/x
  3. Step 3: Cross multiply
    6,435.60x = 9,653.40 × 2,539.50
  4. Step 4: Simplify right side
    6,435.60x = 24,514,809.30
  5. Step 5: Solve for x
    x = 24,514,809.30/6,435.60
  6. Step 6: Final answer
    x = 3,809.25

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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.