Home / 9,790.15-13,510.04-5,313.81

Finding the Fourth Proportional to 9,790.15, 13,510.04 and 5,313.81

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Solution

The fourth proportional to 9,790.15, 13,510.04 and 5,313.81 is: 7,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.15 : 13,510.04 = 5,313.81 : x
  2. Step 2: Convert to fraction form
    9,790.15/13,510.04 = 5,313.81/x
  3. Step 3: Cross multiply
    9,790.15x = 13,510.04 × 5,313.81
  4. Step 4: Simplify right side
    9,790.15x = 71,789,758.24
  5. Step 5: Solve for x
    x = 71,789,758.24/9,790.15
  6. Step 6: Final answer
    x = 7,332.86

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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.