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Finding the Fourth Proportional to 7,004.16, 10,506.60 and 1,810.08

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Solution

The fourth proportional to 7,004.16, 10,506.60 and 1,810.08 is: 2,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.16 : 10,506.60 = 1,810.08 : x
  2. Step 2: Convert to fraction form
    7,004.16/10,506.60 = 1,810.08/x
  3. Step 3: Cross multiply
    7,004.16x = 10,506.60 × 1,810.08
  4. Step 4: Simplify right side
    7,004.16x = 19,017,786.53
  5. Step 5: Solve for x
    x = 19,017,786.53/7,004.16
  6. Step 6: Final answer
    x = 2,715.21

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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.