Home / 7,089.64-9,782.58-4,436.08

Finding the Fourth Proportional to 7,089.64, 9,782.58 and 4,436.08

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Solution

The fourth proportional to 7,089.64, 9,782.58 and 4,436.08 is: 6,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.64 : 9,782.58 = 4,436.08 : x
  2. Step 2: Convert to fraction form
    7,089.64/9,782.58 = 4,436.08/x
  3. Step 3: Cross multiply
    7,089.64x = 9,782.58 × 4,436.08
  4. Step 4: Simplify right side
    7,089.64x = 43,396,307.49
  5. Step 5: Solve for x
    x = 43,396,307.49/7,089.64
  6. Step 6: Final answer
    x = 6,121.09

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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.