Home / 6,916.56-10,378.44-5,283.60

Finding the Fourth Proportional to 6,916.56, 10,378.44 and 5,283.60

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Solution

The fourth proportional to 6,916.56, 10,378.44 and 5,283.60 is: 7,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.56 : 10,378.44 = 5,283.60 : x
  2. Step 2: Convert to fraction form
    6,916.56/10,378.44 = 5,283.60/x
  3. Step 3: Cross multiply
    6,916.56x = 10,378.44 × 5,283.60
  4. Step 4: Simplify right side
    6,916.56x = 54,835,525.58
  5. Step 5: Solve for x
    x = 54,835,525.58/6,916.56
  6. Step 6: Final answer
    x = 7,928.15

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1.5x scale

Why These Related Problems?

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