Home / 6,210.86-8,570.93-3,378.23

Finding the Fourth Proportional to 6,210.86, 8,570.93 and 3,378.23

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Solution

The fourth proportional to 6,210.86, 8,570.93 and 3,378.23 is: 4,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.86 : 8,570.93 = 3,378.23 : x
  2. Step 2: Convert to fraction form
    6,210.86/8,570.93 = 3,378.23/x
  3. Step 3: Cross multiply
    6,210.86x = 8,570.93 × 3,378.23
  4. Step 4: Simplify right side
    6,210.86x = 28,954,572.85
  5. Step 5: Solve for x
    x = 28,954,572.85/6,210.86
  6. Step 6: Final answer
    x = 4,661.93

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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.