Home / 6,688.36-9,994.26-5,098.32

Finding the Fourth Proportional to 6,688.36, 9,994.26 and 5,098.32

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Solution

The fourth proportional to 6,688.36, 9,994.26 and 5,098.32 is: 7,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.36 : 9,994.26 = 5,098.32 : x
  2. Step 2: Convert to fraction form
    6,688.36/9,994.26 = 5,098.32/x
  3. Step 3: Cross multiply
    6,688.36x = 9,994.26 × 5,098.32
  4. Step 4: Simplify right side
    6,688.36x = 50,953,935.64
  5. Step 5: Solve for x
    x = 50,953,935.64/6,688.36
  6. Step 6: Final answer
    x = 7,618.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.