Home / 7,782.00-10,738.93-4,379.20

Finding the Fourth Proportional to 7,782.00, 10,738.93 and 4,379.20

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Solution

The fourth proportional to 7,782.00, 10,738.93 and 4,379.20 is: 6,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.00 : 10,738.93 = 4,379.20 : x
  2. Step 2: Convert to fraction form
    7,782.00/10,738.93 = 4,379.20/x
  3. Step 3: Cross multiply
    7,782.00x = 10,738.93 × 4,379.20
  4. Step 4: Simplify right side
    7,782.00x = 47,027,925.66
  5. Step 5: Solve for x
    x = 47,027,925.66/7,782.00
  6. Step 6: Final answer
    x = 6,043.17

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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.