Home / 7,455.19-10,284.78-4,621.81

Finding the Fourth Proportional to 7,455.19, 10,284.78 and 4,621.81

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Solution

The fourth proportional to 7,455.19, 10,284.78 and 4,621.81 is: 6,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.19 : 10,284.78 = 4,621.81 : x
  2. Step 2: Convert to fraction form
    7,455.19/10,284.78 = 4,621.81/x
  3. Step 3: Cross multiply
    7,455.19x = 10,284.78 × 4,621.81
  4. Step 4: Simplify right side
    7,455.19x = 47,534,299.05
  5. Step 5: Solve for x
    x = 47,534,299.05/7,455.19
  6. Step 6: Final answer
    x = 6,376.00

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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.