Home / 9,709.60-14,554.80-3,858.40

Finding the Fourth Proportional to 9,709.60, 14,554.80 and 3,858.40

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Solution

The fourth proportional to 9,709.60, 14,554.80 and 3,858.40 is: 5,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.60 : 14,554.80 = 3,858.40 : x
  2. Step 2: Convert to fraction form
    9,709.60/14,554.80 = 3,858.40/x
  3. Step 3: Cross multiply
    9,709.60x = 14,554.80 × 3,858.40
  4. Step 4: Simplify right side
    9,709.60x = 56,158,240.32
  5. Step 5: Solve for x
    x = 56,158,240.32/9,709.60
  6. Step 6: Final answer
    x = 5,783.79

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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.