Home / 7,756.37-10,703.75-4,219.60

Finding the Fourth Proportional to 7,756.37, 10,703.75 and 4,219.60

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Solution

The fourth proportional to 7,756.37, 10,703.75 and 4,219.60 is: 5,823.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.37 : 10,703.75 = 4,219.60 : x
  2. Step 2: Convert to fraction form
    7,756.37/10,703.75 = 4,219.60/x
  3. Step 3: Cross multiply
    7,756.37x = 10,703.75 × 4,219.60
  4. Step 4: Simplify right side
    7,756.37x = 45,165,495.64
  5. Step 5: Solve for x
    x = 45,165,495.64/7,756.37
  6. Step 6: Final answer
    x = 5,823.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.