Home / 6,955.60-10,433.32-1,690.64

Finding the Fourth Proportional to 6,955.60, 10,433.32 and 1,690.64

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Solution

The fourth proportional to 6,955.60, 10,433.32 and 1,690.64 is: 2,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.60 : 10,433.32 = 1,690.64 : x
  2. Step 2: Convert to fraction form
    6,955.60/10,433.32 = 1,690.64/x
  3. Step 3: Cross multiply
    6,955.60x = 10,433.32 × 1,690.64
  4. Step 4: Simplify right side
    6,955.60x = 17,638,988.12
  5. Step 5: Solve for x
    x = 17,638,988.12/6,955.60
  6. Step 6: Final answer
    x = 2,535.94

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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.