Home / 7,570.34-11,355.88-2,889.47

Finding the Fourth Proportional to 7,570.34, 11,355.88 and 2,889.47

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Solution

The fourth proportional to 7,570.34, 11,355.88 and 2,889.47 is: 4,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.34 : 11,355.88 = 2,889.47 : x
  2. Step 2: Convert to fraction form
    7,570.34/11,355.88 = 2,889.47/x
  3. Step 3: Cross multiply
    7,570.34x = 11,355.88 × 2,889.47
  4. Step 4: Simplify right side
    7,570.34x = 32,812,410.58
  5. Step 5: Solve for x
    x = 32,812,410.58/7,570.34
  6. Step 6: Final answer
    x = 4,334.34

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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.