Home / 4,210.94-6,312.81-1,615.74

Finding the Fourth Proportional to 4,210.94, 6,312.81 and 1,615.74

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Solution

The fourth proportional to 4,210.94, 6,312.81 and 1,615.74 is: 2,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.94 : 6,312.81 = 1,615.74 : x
  2. Step 2: Convert to fraction form
    4,210.94/6,312.81 = 1,615.74/x
  3. Step 3: Cross multiply
    4,210.94x = 6,312.81 × 1,615.74
  4. Step 4: Simplify right side
    4,210.94x = 10,199,859.63
  5. Step 5: Solve for x
    x = 10,199,859.63/4,210.94
  6. Step 6: Final answer
    x = 2,422.23

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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.