Home / 7,005.57-10,508.51-2,075.31

Finding the Fourth Proportional to 7,005.57, 10,508.51 and 2,075.31

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Solution

The fourth proportional to 7,005.57, 10,508.51 and 2,075.31 is: 3,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.57 : 10,508.51 = 2,075.31 : x
  2. Step 2: Convert to fraction form
    7,005.57/10,508.51 = 2,075.31/x
  3. Step 3: Cross multiply
    7,005.57x = 10,508.51 × 2,075.31
  4. Step 4: Simplify right side
    7,005.57x = 21,808,405.51
  5. Step 5: Solve for x
    x = 21,808,405.51/7,005.57
  6. Step 6: Final answer
    x = 3,113.01

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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.