Home / 6,130.21-8,457.15-4,005.01

Finding the Fourth Proportional to 6,130.21, 8,457.15 and 4,005.01

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Solution

The fourth proportional to 6,130.21, 8,457.15 and 4,005.01 is: 5,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.21 : 8,457.15 = 4,005.01 : x
  2. Step 2: Convert to fraction form
    6,130.21/8,457.15 = 4,005.01/x
  3. Step 3: Cross multiply
    6,130.21x = 8,457.15 × 4,005.01
  4. Step 4: Simplify right side
    6,130.21x = 33,870,970.32
  5. Step 5: Solve for x
    x = 33,870,970.32/6,130.21
  6. Step 6: Final answer
    x = 5,525.25

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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.