Home / 7,220.02-10,830.03-2,602.90

Finding the Fourth Proportional to 7,220.02, 10,830.03 and 2,602.90

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Solution

The fourth proportional to 7,220.02, 10,830.03 and 2,602.90 is: 3,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.02 : 10,830.03 = 2,602.90 : x
  2. Step 2: Convert to fraction form
    7,220.02/10,830.03 = 2,602.90/x
  3. Step 3: Cross multiply
    7,220.02x = 10,830.03 × 2,602.90
  4. Step 4: Simplify right side
    7,220.02x = 28,189,485.09
  5. Step 5: Solve for x
    x = 28,189,485.09/7,220.02
  6. Step 6: Final answer
    x = 3,904.35

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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.