Home / 7,022.40-10,533.60-6,374.40

Finding the Fourth Proportional to 7,022.40, 10,533.60 and 6,374.40

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Solution

The fourth proportional to 7,022.40, 10,533.60 and 6,374.40 is: 9,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.40 : 10,533.60 = 6,374.40 : x
  2. Step 2: Convert to fraction form
    7,022.40/10,533.60 = 6,374.40/x
  3. Step 3: Cross multiply
    7,022.40x = 10,533.60 × 6,374.40
  4. Step 4: Simplify right side
    7,022.40x = 67,145,379.84
  5. Step 5: Solve for x
    x = 67,145,379.84/7,022.40
  6. Step 6: Final answer
    x = 9,561.60

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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.