Home / 6,515.60-9,774.58-2,133.30

Finding the Fourth Proportional to 6,515.60, 9,774.58 and 2,133.30

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Solution

The fourth proportional to 6,515.60, 9,774.58 and 2,133.30 is: 3,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.60 : 9,774.58 = 2,133.30 : x
  2. Step 2: Convert to fraction form
    6,515.60/9,774.58 = 2,133.30/x
  3. Step 3: Cross multiply
    6,515.60x = 9,774.58 × 2,133.30
  4. Step 4: Simplify right side
    6,515.60x = 20,852,111.51
  5. Step 5: Solve for x
    x = 20,852,111.51/6,515.60
  6. Step 6: Final answer
    x = 3,200.34

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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.