Home / 5,019.95-6,927.77-3,030.45

Finding the Fourth Proportional to 5,019.95, 6,927.77 and 3,030.45

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Solution

The fourth proportional to 5,019.95, 6,927.77 and 3,030.45 is: 4,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.95 : 6,927.77 = 3,030.45 : x
  2. Step 2: Convert to fraction form
    5,019.95/6,927.77 = 3,030.45/x
  3. Step 3: Cross multiply
    5,019.95x = 6,927.77 × 3,030.45
  4. Step 4: Simplify right side
    5,019.95x = 20,994,245.44
  5. Step 5: Solve for x
    x = 20,994,245.44/5,019.95
  6. Step 6: Final answer
    x = 4,182.17

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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.