Home / 5,205.55-7,806.86-1,873.32

Finding the Fourth Proportional to 5,205.55, 7,806.86 and 1,873.32

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Solution

The fourth proportional to 5,205.55, 7,806.86 and 1,873.32 is: 2,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.55 : 7,806.86 = 1,873.32 : x
  2. Step 2: Convert to fraction form
    5,205.55/7,806.86 = 1,873.32/x
  3. Step 3: Cross multiply
    5,205.55x = 7,806.86 × 1,873.32
  4. Step 4: Simplify right side
    5,205.55x = 14,624,746.98
  5. Step 5: Solve for x
    x = 14,624,746.98/5,205.55
  6. Step 6: Final answer
    x = 2,809.45

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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.