Home / 5,580.02-7,698.30-3,221.30

Finding the Fourth Proportional to 5,580.02, 7,698.30 and 3,221.30

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Solution

The fourth proportional to 5,580.02, 7,698.30 and 3,221.30 is: 4,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.02 : 7,698.30 = 3,221.30 : x
  2. Step 2: Convert to fraction form
    5,580.02/7,698.30 = 3,221.30/x
  3. Step 3: Cross multiply
    5,580.02x = 7,698.30 × 3,221.30
  4. Step 4: Simplify right side
    5,580.02x = 24,798,533.79
  5. Step 5: Solve for x
    x = 24,798,533.79/5,580.02
  6. Step 6: Final answer
    x = 4,444.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.