Home / 5,022.84-6,931.77-2,784.72

Finding the Fourth Proportional to 5,022.84, 6,931.77 and 2,784.72

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Solution

The fourth proportional to 5,022.84, 6,931.77 and 2,784.72 is: 3,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.84 : 6,931.77 = 2,784.72 : x
  2. Step 2: Convert to fraction form
    5,022.84/6,931.77 = 2,784.72/x
  3. Step 3: Cross multiply
    5,022.84x = 6,931.77 × 2,784.72
  4. Step 4: Simplify right side
    5,022.84x = 19,303,038.55
  5. Step 5: Solve for x
    x = 19,303,038.55/5,022.84
  6. Step 6: Final answer
    x = 3,843.05

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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.