Home / 8,931.66-13,386.81-3,085.02

Finding the Fourth Proportional to 8,931.66, 13,386.81 and 3,085.02

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Solution

The fourth proportional to 8,931.66, 13,386.81 and 3,085.02 is: 4,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.66 : 13,386.81 = 3,085.02 : x
  2. Step 2: Convert to fraction form
    8,931.66/13,386.81 = 3,085.02/x
  3. Step 3: Cross multiply
    8,931.66x = 13,386.81 × 3,085.02
  4. Step 4: Simplify right side
    8,931.66x = 41,298,576.59
  5. Step 5: Solve for x
    x = 41,298,576.59/8,931.66
  6. Step 6: Final answer
    x = 4,623.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.