Home / 4,677.12-7,014.48-1,389.45

Finding the Fourth Proportional to 4,677.12, 7,014.48 and 1,389.45

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Solution

The fourth proportional to 4,677.12, 7,014.48 and 1,389.45 is: 2,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.12 : 7,014.48 = 1,389.45 : x
  2. Step 2: Convert to fraction form
    4,677.12/7,014.48 = 1,389.45/x
  3. Step 3: Cross multiply
    4,677.12x = 7,014.48 × 1,389.45
  4. Step 4: Simplify right side
    4,677.12x = 9,746,269.24
  5. Step 5: Solve for x
    x = 9,746,269.24/4,677.12
  6. Step 6: Final answer
    x = 2,083.82

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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.