Home / 7,719.21-10,652.54-4,362.03

Finding the Fourth Proportional to 7,719.21, 10,652.54 and 4,362.03

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Solution

The fourth proportional to 7,719.21, 10,652.54 and 4,362.03 is: 6,019.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.21 : 10,652.54 = 4,362.03 : x
  2. Step 2: Convert to fraction form
    7,719.21/10,652.54 = 4,362.03/x
  3. Step 3: Cross multiply
    7,719.21x = 10,652.54 × 4,362.03
  4. Step 4: Simplify right side
    7,719.21x = 46,466,677.25
  5. Step 5: Solve for x
    x = 46,466,677.25/7,719.21
  6. Step 6: Final answer
    x = 6,019.62

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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.