Home / 6,916.02-9,541.40-3,890.44

Finding the Fourth Proportional to 6,916.02, 9,541.40 and 3,890.44

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Solution

The fourth proportional to 6,916.02, 9,541.40 and 3,890.44 is: 5,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.02 : 9,541.40 = 3,890.44 : x
  2. Step 2: Convert to fraction form
    6,916.02/9,541.40 = 3,890.44/x
  3. Step 3: Cross multiply
    6,916.02x = 9,541.40 × 3,890.44
  4. Step 4: Simplify right side
    6,916.02x = 37,120,244.22
  5. Step 5: Solve for x
    x = 37,120,244.22/6,916.02
  6. Step 6: Final answer
    x = 5,367.28

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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.