Home / 5,023.45-6,931.63-2,784.84

Finding the Fourth Proportional to 5,023.45, 6,931.63 and 2,784.84

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Solution

The fourth proportional to 5,023.45, 6,931.63 and 2,784.84 is: 3,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,023.45 : 6,931.63 = 2,784.84 : x
  2. Step 2: Convert to fraction form
    5,023.45/6,931.63 = 2,784.84/x
  3. Step 3: Cross multiply
    5,023.45x = 6,931.63 × 2,784.84
  4. Step 4: Simplify right side
    5,023.45x = 19,303,480.49
  5. Step 5: Solve for x
    x = 19,303,480.49/5,023.45
  6. Step 6: Final answer
    x = 3,842.67

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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.