Home / 7,120.37-9,828.92-4,697.35

Finding the Fourth Proportional to 7,120.37, 9,828.92 and 4,697.35

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Solution

The fourth proportional to 7,120.37, 9,828.92 and 4,697.35 is: 6,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.37 : 9,828.92 = 4,697.35 : x
  2. Step 2: Convert to fraction form
    7,120.37/9,828.92 = 4,697.35/x
  3. Step 3: Cross multiply
    7,120.37x = 9,828.92 × 4,697.35
  4. Step 4: Simplify right side
    7,120.37x = 46,169,804.73
  5. Step 5: Solve for x
    x = 46,169,804.73/7,120.37
  6. Step 6: Final answer
    x = 6,484.19

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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.