Home / 4,376.40-6,564.60-3,720.30

Finding the Fourth Proportional to 4,376.40, 6,564.60 and 3,720.30

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Solution

The fourth proportional to 4,376.40, 6,564.60 and 3,720.30 is: 5,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.40 : 6,564.60 = 3,720.30 : x
  2. Step 2: Convert to fraction form
    4,376.40/6,564.60 = 3,720.30/x
  3. Step 3: Cross multiply
    4,376.40x = 6,564.60 × 3,720.30
  4. Step 4: Simplify right side
    4,376.40x = 24,422,281.38
  5. Step 5: Solve for x
    x = 24,422,281.38/4,376.40
  6. Step 6: Final answer
    x = 5,580.45

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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.