Home / 4,390.83-6,588.84-1,619.45

Finding the Fourth Proportional to 4,390.83, 6,588.84 and 1,619.45

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Solution

The fourth proportional to 4,390.83, 6,588.84 and 1,619.45 is: 2,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.83 : 6,588.84 = 1,619.45 : x
  2. Step 2: Convert to fraction form
    4,390.83/6,588.84 = 1,619.45/x
  3. Step 3: Cross multiply
    4,390.83x = 6,588.84 × 1,619.45
  4. Step 4: Simplify right side
    4,390.83x = 10,670,294.77
  5. Step 5: Solve for x
    x = 10,670,294.77/4,390.83
  6. Step 6: Final answer
    x = 2,430.13

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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.