Home / 7,670.16-11,485.80-4,739.58

Finding the Fourth Proportional to 7,670.16, 11,485.80 and 4,739.58

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Solution

The fourth proportional to 7,670.16, 11,485.80 and 4,739.58 is: 7,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.16 : 11,485.80 = 4,739.58 : x
  2. Step 2: Convert to fraction form
    7,670.16/11,485.80 = 4,739.58/x
  3. Step 3: Cross multiply
    7,670.16x = 11,485.80 × 4,739.58
  4. Step 4: Simplify right side
    7,670.16x = 54,437,867.96
  5. Step 5: Solve for x
    x = 54,437,867.96/7,670.16
  6. Step 6: Final answer
    x = 7,097.36

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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.