Home / 4,802.18-6,628.07-3,120.67

Finding the Fourth Proportional to 4,802.18, 6,628.07 and 3,120.67

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Solution

The fourth proportional to 4,802.18, 6,628.07 and 3,120.67 is: 4,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.18 : 6,628.07 = 3,120.67 : x
  2. Step 2: Convert to fraction form
    4,802.18/6,628.07 = 3,120.67/x
  3. Step 3: Cross multiply
    4,802.18x = 6,628.07 × 3,120.67
  4. Step 4: Simplify right side
    4,802.18x = 20,683,980.46
  5. Step 5: Solve for x
    x = 20,683,980.46/4,802.18
  6. Step 6: Final answer
    x = 4,307.21

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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.