Home / 6,715.51-9,266.93-3,880.66

Finding the Fourth Proportional to 6,715.51, 9,266.93 and 3,880.66

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Solution

The fourth proportional to 6,715.51, 9,266.93 and 3,880.66 is: 5,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.51 : 9,266.93 = 3,880.66 : x
  2. Step 2: Convert to fraction form
    6,715.51/9,266.93 = 3,880.66/x
  3. Step 3: Cross multiply
    6,715.51x = 9,266.93 × 3,880.66
  4. Step 4: Simplify right side
    6,715.51x = 35,961,804.57
  5. Step 5: Solve for x
    x = 35,961,804.57/6,715.51
  6. Step 6: Final answer
    x = 5,355.04

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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.