Home / 7,828.48-10,802.16-4,684

Finding the Fourth Proportional to 7,828.48, 10,802.16 and 4,684

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Solution

The fourth proportional to 7,828.48, 10,802.16 and 4,684 is: 6,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.48 : 10,802.16 = 4,684 : x
  2. Step 2: Convert to fraction form
    7,828.48/10,802.16 = 4,684/x
  3. Step 3: Cross multiply
    7,828.48x = 10,802.16 × 4,684
  4. Step 4: Simplify right side
    7,828.48x = 50,597,317.44
  5. Step 5: Solve for x
    x = 50,597,317.44/7,828.48
  6. Step 6: Final answer
    x = 6,463.24

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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.