Home / 6,307.36-9,460.20-1,690.72

Finding the Fourth Proportional to 6,307.36, 9,460.20 and 1,690.72

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Solution

The fourth proportional to 6,307.36, 9,460.20 and 1,690.72 is: 2,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.36 : 9,460.20 = 1,690.72 : x
  2. Step 2: Convert to fraction form
    6,307.36/9,460.20 = 1,690.72/x
  3. Step 3: Cross multiply
    6,307.36x = 9,460.20 × 1,690.72
  4. Step 4: Simplify right side
    6,307.36x = 15,994,549.34
  5. Step 5: Solve for x
    x = 15,994,549.34/6,307.36
  6. Step 6: Final answer
    x = 2,535.85

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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.