Home / 5,022.81-6,931.36-2,784.67

Finding the Fourth Proportional to 5,022.81, 6,931.36 and 2,784.67

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Solution

The fourth proportional to 5,022.81, 6,931.36 and 2,784.67 is: 3,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.81 : 6,931.36 = 2,784.67 : x
  2. Step 2: Convert to fraction form
    5,022.81/6,931.36 = 2,784.67/x
  3. Step 3: Cross multiply
    5,022.81x = 6,931.36 × 2,784.67
  4. Step 4: Simplify right side
    5,022.81x = 19,301,522.74
  5. Step 5: Solve for x
    x = 19,301,522.74/5,022.81
  6. Step 6: Final answer
    x = 3,842.77

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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.