Home / 4,412.48-6,618.63-1,125.50

Finding the Fourth Proportional to 4,412.48, 6,618.63 and 1,125.50

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Solution

The fourth proportional to 4,412.48, 6,618.63 and 1,125.50 is: 1,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.48 : 6,618.63 = 1,125.50 : x
  2. Step 2: Convert to fraction form
    4,412.48/6,618.63 = 1,125.50/x
  3. Step 3: Cross multiply
    4,412.48x = 6,618.63 × 1,125.50
  4. Step 4: Simplify right side
    4,412.48x = 7,449,268.07
  5. Step 5: Solve for x
    x = 7,449,268.07/4,412.48
  6. Step 6: Final answer
    x = 1,688.23

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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.