Home / 4,323.36-6,485.84-2,130.48

Finding the Fourth Proportional to 4,323.36, 6,485.84 and 2,130.48

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Solution

The fourth proportional to 4,323.36, 6,485.84 and 2,130.48 is: 3,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.36 : 6,485.84 = 2,130.48 : x
  2. Step 2: Convert to fraction form
    4,323.36/6,485.84 = 2,130.48/x
  3. Step 3: Cross multiply
    4,323.36x = 6,485.84 × 2,130.48
  4. Step 4: Simplify right side
    4,323.36x = 13,817,952.40
  5. Step 5: Solve for x
    x = 13,817,952.40/4,323.36
  6. Step 6: Final answer
    x = 3,196.11

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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.