Home / 6,916.51-9,544.08-3,931.84

Finding the Fourth Proportional to 6,916.51, 9,544.08 and 3,931.84

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Solution

The fourth proportional to 6,916.51, 9,544.08 and 3,931.84 is: 5,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.51 : 9,544.08 = 3,931.84 : x
  2. Step 2: Convert to fraction form
    6,916.51/9,544.08 = 3,931.84/x
  3. Step 3: Cross multiply
    6,916.51x = 9,544.08 × 3,931.84
  4. Step 4: Simplify right side
    6,916.51x = 37,525,795.51
  5. Step 5: Solve for x
    x = 37,525,795.51/6,916.51
  6. Step 6: Final answer
    x = 5,425.54

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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.