Home / 4,645.90-6,969.85-1,358.74

Finding the Fourth Proportional to 4,645.90, 6,969.85 and 1,358.74

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Solution

The fourth proportional to 4,645.90, 6,969.85 and 1,358.74 is: 2,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.90 : 6,969.85 = 1,358.74 : x
  2. Step 2: Convert to fraction form
    4,645.90/6,969.85 = 1,358.74/x
  3. Step 3: Cross multiply
    4,645.90x = 6,969.85 × 1,358.74
  4. Step 4: Simplify right side
    4,645.90x = 9,470,213.99
  5. Step 5: Solve for x
    x = 9,470,213.99/4,645.90
  6. Step 6: Final answer
    x = 2,038.40

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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.