Home / 7,403.02-10,216.28-4,420.60

Finding the Fourth Proportional to 7,403.02, 10,216.28 and 4,420.60

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Solution

The fourth proportional to 7,403.02, 10,216.28 and 4,420.60 is: 6,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.02 : 10,216.28 = 4,420.60 : x
  2. Step 2: Convert to fraction form
    7,403.02/10,216.28 = 4,420.60/x
  3. Step 3: Cross multiply
    7,403.02x = 10,216.28 × 4,420.60
  4. Step 4: Simplify right side
    7,403.02x = 45,162,087.37
  5. Step 5: Solve for x
    x = 45,162,087.37/7,403.02
  6. Step 6: Final answer
    x = 6,100.50

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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.