Home / 5,153.02-7,730.75-1,690.06

Finding the Fourth Proportional to 5,153.02, 7,730.75 and 1,690.06

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Solution

The fourth proportional to 5,153.02, 7,730.75 and 1,690.06 is: 2,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.02 : 7,730.75 = 1,690.06 : x
  2. Step 2: Convert to fraction form
    5,153.02/7,730.75 = 1,690.06/x
  3. Step 3: Cross multiply
    5,153.02x = 7,730.75 × 1,690.06
  4. Step 4: Simplify right side
    5,153.02x = 13,065,431.35
  5. Step 5: Solve for x
    x = 13,065,431.35/5,153.02
  6. Step 6: Final answer
    x = 2,535.49

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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.