Home / 7,019.85-10,529.37-4,245.77

Finding the Fourth Proportional to 7,019.85, 10,529.37 and 4,245.77

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Solution

The fourth proportional to 7,019.85, 10,529.37 and 4,245.77 is: 6,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.85 : 10,529.37 = 4,245.77 : x
  2. Step 2: Convert to fraction form
    7,019.85/10,529.37 = 4,245.77/x
  3. Step 3: Cross multiply
    7,019.85x = 10,529.37 × 4,245.77
  4. Step 4: Simplify right side
    7,019.85x = 44,705,283.26
  5. Step 5: Solve for x
    x = 44,705,283.26/7,019.85
  6. Step 6: Final answer
    x = 6,368.41

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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.