Home / 7,670.99-10,585.31-4,647.21

Finding the Fourth Proportional to 7,670.99, 10,585.31 and 4,647.21

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Solution

The fourth proportional to 7,670.99, 10,585.31 and 4,647.21 is: 6,412.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.99 : 10,585.31 = 4,647.21 : x
  2. Step 2: Convert to fraction form
    7,670.99/10,585.31 = 4,647.21/x
  3. Step 3: Cross multiply
    7,670.99x = 10,585.31 × 4,647.21
  4. Step 4: Simplify right side
    7,670.99x = 49,192,135.25
  5. Step 5: Solve for x
    x = 49,192,135.25/7,670.99
  6. Step 6: Final answer
    x = 6,412.75

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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.