Home / 4,812.56-7,219.75-1,526.48

Finding the Fourth Proportional to 4,812.56, 7,219.75 and 1,526.48

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Solution

The fourth proportional to 4,812.56, 7,219.75 and 1,526.48 is: 2,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.56 : 7,219.75 = 1,526.48 : x
  2. Step 2: Convert to fraction form
    4,812.56/7,219.75 = 1,526.48/x
  3. Step 3: Cross multiply
    4,812.56x = 7,219.75 × 1,526.48
  4. Step 4: Simplify right side
    4,812.56x = 11,020,803.98
  5. Step 5: Solve for x
    x = 11,020,803.98/4,812.56
  6. Step 6: Final answer
    x = 2,290.01

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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.