Home / 7,004.48-10,507.76-2,386.40

Finding the Fourth Proportional to 7,004.48, 10,507.76 and 2,386.40

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Solution

The fourth proportional to 7,004.48, 10,507.76 and 2,386.40 is: 3,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.48 : 10,507.76 = 2,386.40 : x
  2. Step 2: Convert to fraction form
    7,004.48/10,507.76 = 2,386.40/x
  3. Step 3: Cross multiply
    7,004.48x = 10,507.76 × 2,386.40
  4. Step 4: Simplify right side
    7,004.48x = 25,075,718.46
  5. Step 5: Solve for x
    x = 25,075,718.46/7,004.48
  6. Step 6: Final answer
    x = 3,579.95

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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.