Home / 6,429.60-9,644.40-2,973.60

Finding the Fourth Proportional to 6,429.60, 9,644.40 and 2,973.60

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Solution

The fourth proportional to 6,429.60, 9,644.40 and 2,973.60 is: 4,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.60 : 9,644.40 = 2,973.60 : x
  2. Step 2: Convert to fraction form
    6,429.60/9,644.40 = 2,973.60/x
  3. Step 3: Cross multiply
    6,429.60x = 9,644.40 × 2,973.60
  4. Step 4: Simplify right side
    6,429.60x = 28,678,587.84
  5. Step 5: Solve for x
    x = 28,678,587.84/6,429.60
  6. Step 6: Final answer
    x = 4,460.40

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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.