Home / 4,953.08-7,427.74-1,620.55

Finding the Fourth Proportional to 4,953.08, 7,427.74 and 1,620.55

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Solution

The fourth proportional to 4,953.08, 7,427.74 and 1,620.55 is: 2,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.08 : 7,427.74 = 1,620.55 : x
  2. Step 2: Convert to fraction form
    4,953.08/7,427.74 = 1,620.55/x
  3. Step 3: Cross multiply
    4,953.08x = 7,427.74 × 1,620.55
  4. Step 4: Simplify right side
    4,953.08x = 12,037,024.06
  5. Step 5: Solve for x
    x = 12,037,024.06/4,953.08
  6. Step 6: Final answer
    x = 2,430.21

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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.