Home / 4,210.49-6,315.75-2,012.55

Finding the Fourth Proportional to 4,210.49, 6,315.75 and 2,012.55

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Solution

The fourth proportional to 4,210.49, 6,315.75 and 2,012.55 is: 3,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.49 : 6,315.75 = 2,012.55 : x
  2. Step 2: Convert to fraction form
    4,210.49/6,315.75 = 2,012.55/x
  3. Step 3: Cross multiply
    4,210.49x = 6,315.75 × 2,012.55
  4. Step 4: Simplify right side
    4,210.49x = 12,710,762.66
  5. Step 5: Solve for x
    x = 12,710,762.66/4,210.49
  6. Step 6: Final answer
    x = 3,018.84

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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.