Home / 7,056.55-10,555.66-6,415.03

Finding the Fourth Proportional to 7,056.55, 10,555.66 and 6,415.03

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Solution

The fourth proportional to 7,056.55, 10,555.66 and 6,415.03 is: 9,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.55 : 10,555.66 = 6,415.03 : x
  2. Step 2: Convert to fraction form
    7,056.55/10,555.66 = 6,415.03/x
  3. Step 3: Cross multiply
    7,056.55x = 10,555.66 × 6,415.03
  4. Step 4: Simplify right side
    7,056.55x = 67,714,875.57
  5. Step 5: Solve for x
    x = 67,714,875.57/7,056.55
  6. Step 6: Final answer
    x = 9,596.03

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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.