Home / 6,889.37-9,509.46-4,056.51

Finding the Fourth Proportional to 6,889.37, 9,509.46 and 4,056.51

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Solution

The fourth proportional to 6,889.37, 9,509.46 and 4,056.51 is: 5,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.37 : 9,509.46 = 4,056.51 : x
  2. Step 2: Convert to fraction form
    6,889.37/9,509.46 = 4,056.51/x
  3. Step 3: Cross multiply
    6,889.37x = 9,509.46 × 4,056.51
  4. Step 4: Simplify right side
    6,889.37x = 38,575,219.58
  5. Step 5: Solve for x
    x = 38,575,219.58/6,889.37
  6. Step 6: Final answer
    x = 5,599.24

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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.