Home / 7,903.74-10,903.77-5,070.18

Finding the Fourth Proportional to 7,903.74, 10,903.77 and 5,070.18

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Solution

The fourth proportional to 7,903.74, 10,903.77 and 5,070.18 is: 6,994.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.74 : 10,903.77 = 5,070.18 : x
  2. Step 2: Convert to fraction form
    7,903.74/10,903.77 = 5,070.18/x
  3. Step 3: Cross multiply
    7,903.74x = 10,903.77 × 5,070.18
  4. Step 4: Simplify right side
    7,903.74x = 55,284,076.58
  5. Step 5: Solve for x
    x = 55,284,076.58/7,903.74
  6. Step 6: Final answer
    x = 6,994.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.