Home / 4,600.81-6,900.07-1,313.94

Finding the Fourth Proportional to 4,600.81, 6,900.07 and 1,313.94

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Solution

The fourth proportional to 4,600.81, 6,900.07 and 1,313.94 is: 1,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.81 : 6,900.07 = 1,313.94 : x
  2. Step 2: Convert to fraction form
    4,600.81/6,900.07 = 1,313.94/x
  3. Step 3: Cross multiply
    4,600.81x = 6,900.07 × 1,313.94
  4. Step 4: Simplify right side
    4,600.81x = 9,066,277.98
  5. Step 5: Solve for x
    x = 9,066,277.98/4,600.81
  6. Step 6: Final answer
    x = 1,970.58

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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.