Home / 4,869-7,299.86-1,580.13

Finding the Fourth Proportional to 4,869, 7,299.86 and 1,580.13

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Solution

The fourth proportional to 4,869, 7,299.86 and 1,580.13 is: 2,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869 : 7,299.86 = 1,580.13 : x
  2. Step 2: Convert to fraction form
    4,869/7,299.86 = 1,580.13/x
  3. Step 3: Cross multiply
    4,869x = 7,299.86 × 1,580.13
  4. Step 4: Simplify right side
    4,869x = 11,534,719.88
  5. Step 5: Solve for x
    x = 11,534,719.88/4,869
  6. Step 6: Final answer
    x = 2,369.01

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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.