Home / 7,845.75-10,828.10-4,533.75

Finding the Fourth Proportional to 7,845.75, 10,828.10 and 4,533.75

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Solution

The fourth proportional to 7,845.75, 10,828.10 and 4,533.75 is: 6,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.75 : 10,828.10 = 4,533.75 : x
  2. Step 2: Convert to fraction form
    7,845.75/10,828.10 = 4,533.75/x
  3. Step 3: Cross multiply
    7,845.75x = 10,828.10 × 4,533.75
  4. Step 4: Simplify right side
    7,845.75x = 49,091,875.71
  5. Step 5: Solve for x
    x = 49,091,875.71/7,845.75
  6. Step 6: Final answer
    x = 6,257.13

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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.